FIFA World Rankings ... strange !

Anyone understand the FIFA Rankings???

1    Brazil    0       827    -3
2    Czech Republic    0       772    -7
3    Netherlands    0       768    -6
4    Mexico    2       758    0
5    USA    -1       756    -4
5    Spain    0       756    -3
7    Portugal    1       750    -3
8    France    -1       749    -5
9    Argentina    -1       746    -7
10    England    0       741    -3
11    Nigeria    1       736    -1
11    Denmark    0       736    -2
13    Italy    1       728    -3
14    Turkey    -1       726    -7
15    Cameroon    0       722    -1

How on earth are the USA 5th?

It's dependant on the amount of games you play and their results, so the european teams don't get to play as much because of our leagues .