1985 |
70%
|
1982 |
61%
|
1992 |
49%
|
1989 |
69%
|
1988 |
66%
|
1980 |
60%
|
2016 |
61%
|
1986 |
81%
|
1990 |
81%
|
1989 |
81%
|
1988 |
81%
|
1987 |
81%
|
2001 |
56%
|
1982 |
58%
|
1981 |
80%
|
1988 |
78%
|
1992 |
56%
|
1985 |
47%
|
1981 |
83%
|
1984 |
83%
|
1982 |
83%
|
1983 |
83%
|
2010 |
85%
|
1993 |
78%
|
2014 |
77%
|
2018 |
69%
|
1984 |
84%
|