| 1966 |
83%
|
| 2015 |
78%
|
| 1982 |
84%
|
| 1965 |
82%
|
| 1964 |
79%
|
| 1997 |
59%
|
| 1994 |
55%
|
| 1985 |
51%
|
| 1977 |
38%
|
| 1970 |
72%
|
| 1968 |
70%
|
| 1977 |
57%
|
| 1971 |
67%
|
| 1971 |
65%
|
| 1996 |
68%
|
| 1972 |
69%
|
| 1998 |
43%
|
| 1971 |
68%
|
| 1975 |
61%
|
| 1983 |
54%
|
| 1977 |
68%
|
| 1974 |
72%
|
| 1965 |
57%
|
| 2002 |
50%
|
| 1974 |
61%
|
| 1983 |
46%
|
| 1975 |
57%
|
| 1969 |
47%
|
