1990
1.5
0.3
10.0
1.2
0.3
13.3
13.1
3.93
5.2
1991
1.5
0.3
10.1
1.2
0.3
13.4
13.1
3.93
5.2
1992
1.5
0.4
10.4
1.3
0.3
13.8
13.6
4.08
5.2
1993
1.5
0.3
10.5
1.3
0.3
14.0
13.7
4.11
5.2
1994
1.5
0.3
10.6
1.4
0.3
14.1
13.8
4.14
5.2
1995
1.5
0.3
10.7
1.4
0.3
14.2
14.0
4.2
5.2
1996
1.5
0.4
11.1
1.5
0.3
14.7
14.5
4.35
5.2
1997
1.7
0.4
11.2
1.6
0.3
15.1
14.9
4.47
5.2
1998
1.8
0.3
11.6
1.7
0.3
15.7
15.4
4.62
5.2
1999
1.7
0.3
11.9
1.8
0.3
16.0
15.7
4.71
5.2
2000
1.8
0.3
11.9
1.9
0.3
16.1
15.9
4.77
5.2
2001
1.8
0.3
12.1
1.8
0.2
16.3
16.0
4.8
5.2
2002
1.9
0.3
12.2
1.8
0.2
16.5
16.2
4.86
5.2
2003
1.9
0.3
12.3
1.9
0.3
16.7
16.4
4.92
5.2
2004
2.0
0.3
12.6
2.0
0.3
17.2
16.9
5.07
5.2
2005
2.1
0.3
12.6
2.1
0.3
17.4
17.1
5.13
5.2
2006
2.2
0.3
12.9
2.2
0.3
17.9
17.4
5.22
5.2
2007
2.2
0.3
13.1
2.2
0.3
18.1
17.6
5.28
5.2
2008
2.3
0.3
12.9
2.2
0.3
18.0
17.3
5.19
5.2
2009
2.0
0.3
12.6
2.1
0.3
17.2
16.5
4.95
5.2
2010
2.1
0.3
12.6
2.1
0.2
17.2
16.4
4.92
5.2
2011
2.1
0.3
12.4
2.1
0.2
17.1
16.3
4.89
5.2
2012
1.9
0.3
12.0
2.1
0.2
16.5
15.6
4.68
5.2
2013
1.8
0.3
11.9
2.1
0.2
16.2
15.4
4.62
5.2