Best Of Playtime,rapidshare.com/files Why Do Idiots Always Do The "best Of The Decade" Lists After The Ninth Year Instead Of The More Proper Tenth?

Why do idiots always do the "best of the decade" lists after the ninth year instead of the more proper tenth? - best of playtime,rapidshare.com/files

There was no year zero, so that ended a decade late 10, not the end of year 9 So now, in the decade ending in 2010, not 2009th