2000
3.86
3.44
3.46
3.07
3.19
18.7
42.8
52.0
30.3
12.0
6.68
4.90
2001
3.95
3.28
2.94
2.81
2.99
9.12
36.9
39.0
20.4
8.62
5.39
4.11
2002
3.47
3.23
3.32
3.25
3.66
5.73
27.8
40.0
35.7
10.5
6.72
4.76
2003
3.77
3.40
4.00
3.37
2.47
4.26
28.4
39.8
39.0
15.7
7.33
5.20
2004
4.01
3.33
2.80
2.52
3.47
4.87
31.7
59.5
19.0
10.6
7.24
4.89
2005
4.13
4.22
4.76
3.75
3.74
2.80
25.0
43.0
26.6
15.4
7.35
4.93
2006
3.85
3.17
2.92
2.70
2.82
3.89
26.6
39.1
37.6
12.3
6.90
5.18












































































































































































































































































































































































