419.1
1996
5250
81.
1997
4110
81.0
1998
6210
87.0
1999
5880
85.2
2000
5880
83.7
2001
4780
77.6
2002
3480
45.6
2003
3720
45.6
2004
3360
51.7
2005
3480
57.8
2006
2060
34.8





































































