In which context?
Related to your finds, you can see your personal favourite rate on your statistics page:
"A total of 905,546 favourite points found (average: 113.18)"
(so you have 8001 cache founds without Labs and 905546 favs in sum)
Related to your hides, you can see your personal received favs on "Hide" section:
"Total favourite points received:116 (9.1%)"
This value is to be read difficult, e.g. if you host events or own a power-trail with many (unfavoured) hides.
Related to your given favourites there seems to be no statistic on PGC, but you can retrieve it from gc.com:
Go to your favourite list on your profile. Copy & Past all lines in a spreadsheet.
Now you can see, that you've favourited 729 caches. With the 8001 founds you should have circa 70 favs to give.
(Besides: Your fav-give-rate (729/800 = 91 %) shows you are an grateful cacher not squirrel favs )