Full Ring winning%?

I play NL$100 right now and I really think I need to get a little more aggressive before and after the flop..which leads directly into my question.

What percentage of hands do you win? What percentage should you win? If I average about 9 players per table should my hand winning percentage be just above 11%?

I have 21.4k hands but I'm only winning 5.84% of dealt hands [img]/images/graemlins/blush.gif[/img]. I'm winning as well but I feel I'm missing out on alot.