| Value | Category | Cases | |
|---|---|---|---|
| 1957 | 1 |
0%
|
|
| 1959 | 1 |
0%
|
|
| 1960 | 1 |
0%
|
|
| 1963 | 1 |
0%
|
|
| 1964 | 1 |
0%
|
|
| 1966 | 3 |
0%
|
|
| 1967 | 6 |
0%
|
|
| 1968 | 3 |
0%
|
|
| 1969 | 7 |
0%
|
|
| 1970 | 5 |
0%
|
|
| 1971 | 8 |
0%
|
|
| 1972 | 13 |
0.1%
|
|
| 1973 | 14 |
0.1%
|
|
| 1974 | 21 |
0.1%
|
|
| 1975 | 26 |
0.1%
|
|
| 1976 | 23 |
0.1%
|
|
| 1977 | 28 |
0.1%
|
|
| 1978 | 43 |
0.2%
|
|
| 1979 | 37 |
0.1%
|
|
| 1980 | 59 |
0.2%
|
|
| 1981 | 64 |
0.3%
|
|
| 1982 | 82 |
0.3%
|
|
| 1983 | 94 |
0.4%
|
|
| 1984 | 92 |
0.4%
|
|
| 1985 | 107 |
0.4%
|
|
| 1986 | 132 |
0.5%
|
|
| 1987 | 124 |
0.5%
|
|
| 1988 | 174 |
0.7%
|
|
| 1989 | 205 |
0.8%
|
|
| 1990 | 230 |
0.9%
|
|
| 1991 | 282 |
1.1%
|
|
| 1992 | 289 |
1.1%
|
|
| 1993 | 326 |
1.3%
|
|
| 1994 | 426 |
1.7%
|
|
| 1995 | 426 |
1.7%
|
|
| 1996 | 498 |
2%
|
|
| 1997 | 485 |
1.9%
|
|
| 1998 | 498 |
2%
|
|
| 1999 | 601 |
2.4%
|
|
| 2000 | 589 |
2.3%
|
|
| 2001 | 606 |
2.4%
|
|
| 2002 | 670 |
2.6%
|
|
| 2003 | 790 |
3.1%
|
|
| 2004 | 881 |
3.5%
|
|
| 2005 | 926 |
3.7%
|
|
| 2006 | 1046 |
4.1%
|
|
| 2007 | 1171 |
4.6%
|
|
| 2008 | 1235 |
4.9%
|
|
| 2009 | 1247 |
4.9%
|
|
| 2010 | 1328 |
5.3%
|
|
| 2011 | 1443 |
5.7%
|
|
| 2012 | 1438 |
5.7%
|
|
| 2013 | 1452 |
5.7%
|
|
| 2014 | 1366 |
5.4%
|
|
| 2015 | 1227 |
4.9%
|
|
| 2016 | 1010 |
4%
|
|
| 2017 | 633 |
2.5%
|
|
| 2018 | 60 |
0.2%
|
|
| 9999 | Unspecified | 730 |
2.9%
|