Mine was pretty good. I didn't do much Microstock in the past 18 months but I had very good assignments and VERY good RM-Sales, traditional RF was not so great but still okay now waiting for the TAX :-(.
This year I will continue with RM but also will start Microstock again but will reduce my traditional RF-output.

On iStock up from 2009, and even from 2008, which was much better than 2009. But the increase over previous years was in the beginning of the year. The year end, previously my best time, was relatively disappointing. Also my pics uploaded in the past 18 months are being virtually ignored, so I've very much slowed down on uploading there.
Focussing on building my Alamy portfolio, on a long-term 'wait and see'.

Disappointingly in 2010 I was 3% down on 2009 despite adding about 20% to my portfolio. That compares to gains over the previous 4 years of +26%, 77%, 56% & 56%.

What is really concerning is that all of the slide occurred in the second half of the year. Until May I was ahead of 2009 for every month. The trend since has been quite sharply downwards which of course from January will be accelerated further by the Istockphoto reduction in commissions.

Most of the 'loss' is due to a steady drop in earnings at IS where I was 13% down compared to 2009. Fortunately this was mitigated to a large extent by a 13% increase in my earnings at SS. From June onwards IS has slipped backwards in my overall earnings every single month going from 35.5% to 30.4%. In the same timescale overall earnings at SS have gone from 24.7% in June to 35.1% last month and SS are now firmly established as my #1 agency.

Clearly my data sample is tiny compared to the overall market but it seems to me that 2010 has seen a significant shift in buyers' preferences away from Istockphoto and towards Shutterstock. Last month for the first time ever at Shutterstock earnings from PPD's and EL's exceeded (51%) those from sub sales.

Times they are a'changing.

With 33 months uploading part time, there was a 47% increase from 2009.

Overall I am down 10% on 2009, having increased my portfolio by 17%.  Which to be honest, is less of a drop than I expected.  Like Gostwyck mentioned, I did pretty well the first few months of the year, but started seeing a downward trend mid year where sales were less than the same month of 2009. 

I have always been heavily reliant on Istock, so the instability there has very seriously affected my overall sales.  Shutterstock, Fotolia, and even Bigstock all saw gains for me, but they were not enough to compensate for the drop in sales at Istock.  And unlike exclusives, the drops in sales numbers were NOT compensated by hikes in prices. 

2010 was my BYE for money and downloads. I added a lot to my portfolio too.

2010 was the first year I can call my income a full-time salary equivalent so it was a great year here.

My portfolio grew by 384 images in 2010 (fewer images than I uploaded in 2009) which represents a 19% increase (I'm not counting dollar bin files).

My income grew by 72% and my downloads by 6.5%, so I think by pretty much any measure it was a good year. If downloads had grown more than the portfolio did, that would have been better, I'll grant, but I'm not complaining

I'm just a small player but I know stats are interesting so here you go Not a clue how to work the percentages but I'd reckon they are quite good and overall, after going exclusive, I'm happy with my figures.

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Istock Exclusive from Aug2010. Start of year, 77 files.
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Jan $206
Feb $150
Mar $177
Apr $123
May $112
Jun $140
Jul $128
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Start IS Exclusive and between Jan and July added 7 more files (84 files total)
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Aug $253 (2009 $104)
Sep $204 (2009 $108)
Oct $273 (2009 $116)
Nov $316 (2009 $182)
Dec $512  (2009 $192)
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Between Aug and Dec added 13 more files (97 files total made up of 88 images and 9 vectors)
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Shutterstock 7% up compared to 2009 sales.
fotolia          11% (largest growth in absolute figures)
istock            1%
dreamstime 15%
bigstock    -0,5%
Xpert           -90%  (1st two months before they stopped)
123rf            63%  (congratulations 123rf!)
Total       4,3% growth compared to 2009.

Cutcaster, Canstock and Graphicleftovers were added in 2010 to cover up the loss of StockXpert.  They did so for only 16% :
graphicleftovers  4% of Xpert 2009 sales
canstock  12%  of Xpert 2009 sales
cutcaster  0%

Total growth compared to 2009 was 4,3% in dollars, but 11% in euros!
Conclusion :  BIG slowdown in growth, but I expected worse, especially in the 2nd half of 2010.
On the other hand :  I'm a real pessimist, so my forecasts are ALWAYS very low, and things usually turn out better than expected 
For 2011, I expect sales to go under 2010 (here's the pessimist again!) because of the Istock royalty-cut, the dollar-rate and the general tendency in the larger portfolios (my average portfolio went from 3100 to 4000 in 2010).

Happy new year to you all,
may there be a Big Boost in downloads AND royalties on every microstock site!

Up 171% from 2009, with 2300 new photos.

How much did your downloads increase though (i.e. taking out the effect of the massive price increase which you won't get this year)?

Up 171% from 2009, with 2300 new photos.

Respect on your port!!
I would love to hear/read more data as well...

I am considering myself a serious hobbyist :-)

Overall, I earned 43% more than in previous year. Not every agency contributed to this result. Shutterstock continues to earn over 50% of my royalties. 123RF is balancing around 15% as it was before. I lost around 10% of income since Getty purchased StockXpert. Images transferred to ThinkStock earn only 2% in comparison to 12% before this change. Also Dreamstime went down from %14 to 8%. On a bright side Fotolia keeps generating errand 5% and IS gives additional 8%. Few smaller sites that did not give any results in 2009 start generating sales which are usually very weak but combined give around 9%. I am not feeling well about depending mostly on income from two agencies. Dreamstime high rejection rates and lower sales make me think that they might next one that is going to sink. I am hoping that somehow Fotolia, CanStockPhoto and Veer would continue to build up momentum. Another question is IStockPhoto. Obviously they start generating me some income but at the same time they drastically lowered contributors royalties so next year might be not as good as it looks now.

See more info at my blog.