Value | Category | Cases | |
---|---|---|---|
1975 | 21 |
0.6%
|
|
1976 | 42 |
1.2%
|
|
1977 | 73 |
2.1%
|
|
1978 | 289 |
8.4%
|
|
1979 | 502 |
14.5%
|
|
1980 | 630 |
18.3%
|
|
1981 | 582 |
16.9%
|
|
1982 | 522 |
15.1%
|
|
1983 | 353 |
10.2%
|
|
1984 | 288 |
8.3%
|
|
1985 | 150 |
4.3%
|