2000
10.257
10,5
2001
10.135
- 1,2
2002
10.786
6,4
2003
10.483
- 2,8
2004
10.950
4,5
2005
11.379
3,9
2006
12.479
9,7
2007
13.350
7,0
2008
14.776
10,7
Statistic dated from April 5th 2012