You can also check you photo statistics. Visit "My Account", choose "My Photos" and you will find your photo statistics.
You can see a statistic of your:
Additionally, you can see:
comments: People who left a message on your photo(s)
Photobox: People who saved your photo(s) in their photobox
votes: People who votes on your photo(s)
Also you get an overview of "My Top Voted Photos" and "Additional Photo Numbers".