| 1991 |
80.2 |
79.4 |
45.3% |
68.7% |
28.8% |
34.7 |
16.1 |
6.2 |
8.3 |
19.4 |
| 1992 |
81.0 |
78.9 |
45.1% |
70.0% |
32.5% |
35.0 |
16.9 |
3.7 |
8.3 |
21.2 |
| 1993 |
79.8 |
79.5 |
44.3% |
67.2% |
31.4% |
37.1 |
18.6 |
3.5 |
9.2 |
20.6 |
| 1994 |
80.0 |
73.2 |
45.7% |
68.1% |
35.2% |
37.4 |
16.3 |
5.7 |
9.4 |
19.8 |
| 1995 |
86.6 |
74.1 |
49.8% |
70.5% |
35.2% |
37.4 |
18.9 |
4.9 |
8.9 |
18.5 |
| 1996 |
81.3 |
76.3 |
44.9% |
68.4% |
34.0% |
35.6 |
17.6 |
3.0 |
10.9 |
21.7 |
| 1997 |
75.2 |
66.8 |
46.4% |
68.1% |
31.2% |
35.6 |
16.2 |
3.5 |
8.8 |
18.7 |
| 1998 |
78.8 |
72.1 |
46.1% |
67.8% |
34.8% |
36.3 |
18.9 |
4.9 |
8.7 |
19.8 |
| 1999 |
84.5 |
66.4 |
49.5% |
70.1% |
36.4% |
36.8 |
19.8 |
5.9 |
12.0 |
19.9 |
| 2000 |
76.7 |
68.2 |
46.5% |
68.5% |
35.3% |
35.4 |
19.0 |
6.7 |
10.1 |
18.3 |
| 2001 |
85.2 |
72.4 |
48.4% |
69.6% |
38.0% |
38.0 |
18.9 |
5.8 |
9.0 |
19.8 |
| 2002 |
85.0 |
70.9 |
48.2% |
72.6% |
37.4% |
37.4 |
19.8 |
6.0 |
8.4 |
17.8 |
| 2003 |
79.7 |
66.7 |
46.4% |
71.4% |
39.0% |
36.5 |
18.5 |
6.4 |
10.4 |
19.0 |
| 2004 |
77.4 |
72.1 |
44.1% |
63.1% |
33.7% |
38.2 |
14.1 |
6.7 |
8.6 |
19.7 |
| 2005 |
81.9 |
76.0 |
43.9% |
72.6% |
33.2% |
39.4 |
15.6 |
6.3 |
8.3 |
18.9 |
| 2006 |
78.3 |
73.5 |
44.8% |
73.1% |
37.3% |
36.0 |
16.0 |
6.0 |
8.1 |
19.5 |
| 2007 |
79.0 |
67.5 |
47.8% |
69.5% |
38.5% |
36.0 |
17.3 |
6.9 |
7.4 |
18.0 |
| 2008 |
73.0 |
69.8 |
46.2% |
70.3% |
33.8% |
34.8 |
16.5 |
6.6 |
6.6 |
17.4 |
| 2009 |
71.8 |
69.0 |
42.4% |
75.8% |
33.3% |
32.1 |
14.6 |
4.1 |
7.7 |
16.6 |
| 2010 |
79.7 |
68.3 |
47.1% |
72.9% |
38.2% |
34.8 |
16.5 |
4.7 |
7.8 |
16.8 |
| 2011 |
76.8 |
67.6 |
47.1% |
67.7% |
34.8% |
36.1 |
16.9 |
4.5 |
6.7 |
16.6 |
| 2012 |
69.6 |
70.5 |
43.1% |
65.8% |
32.5% |
33.9 |
10.5 |
4.4 |
3.6 |
15.8 |
|