2001
3,007,244
2002
2,909,594
2003
2,973,612
2004
3,207,227
2005
3,215,522
2006
3,185,927
2007
3,295,826
2008
3,372,007
2009
3,373,342
622,756
434,519
543,253
947,276
825,538
1,678,431
1,694,911