| Value | Category | Cases | |
|---|---|---|---|
| 1919 | 2 |
0%
|
|
| 1920 | 1 |
0%
|
|
| 1921 | 6 |
0%
|
|
| 1922 | 2 |
0%
|
|
| 1923 | 4 |
0%
|
|
| 1924 | 21 |
0.1%
|
|
| 1925 | 23 |
0.1%
|
|
| 1926 | 36 |
0.1%
|
|
| 1927 | 41 |
0.1%
|
|
| 1928 | 54 |
0.2%
|
|
| 1929 | 60 |
0.2%
|
|
| 1930 | 109 |
0.3%
|
|
| 1931 | 138 |
0.4%
|
|
| 1932 | 148 |
0.4%
|
|
| 1933 | 158 |
0.5%
|
|
| 1934 | 232 |
0.7%
|
|
| 1935 | 238 |
0.7%
|
|
| 1936 | 227 |
0.7%
|
|
| 1937 | 290 |
0.9%
|
|
| 1938 | 306 |
0.9%
|
|
| 1939 | 295 |
0.9%
|
|
| 1940 | 317 |
0.9%
|
|
| 1941 | 313 |
0.9%
|
|
| 1942 | 330 |
1%
|
|
| 1943 | 351 |
1.1%
|
|
| 1944 | 321 |
1%
|
|
| 1945 | 330 |
1%
|
|
| 1946 | 411 |
1.2%
|
|
| 1947 | 502 |
1.5%
|
|
| 1948 | 561 |
1.7%
|
|
| 1949 | 576 |
1.7%
|
|
| 1950 | 579 |
1.7%
|
|
| 1951 | 564 |
1.7%
|
|
| 1952 | 659 |
2%
|
|
| 1953 | 677 |
2%
|
|
| 1954 | 713 |
2.1%
|
|
| 1955 | 622 |
1.9%
|
|
| 1956 | 611 |
1.8%
|
|
| 1957 | 536 |
1.6%
|
|
| 1958 | 590 |
1.8%
|
|
| 1959 | 511 |
1.5%
|
|
| 1960 | 533 |
1.6%
|
|
| 1961 | 544 |
1.6%
|
|
| 1962 | 517 |
1.5%
|
|
| 1963 | 467 |
1.4%
|
|
| 1964 | 446 |
1.3%
|
|
| 1965 | 481 |
1.4%
|
|
| 1966 | 447 |
1.3%
|
|
| 1967 | 427 |
1.3%
|
|
| 1968 | 467 |
1.4%
|
|
| 1969 | 485 |
1.5%
|
|
| 1970 | 415 |
1.2%
|
|
| 1971 | 465 |
1.4%
|
|
| 1972 | 434 |
1.3%
|
|
| 1973 | 418 |
1.3%
|
|
| 1974 | 455 |
1.4%
|
|
| 1975 | 440 |
1.3%
|
|
| 1976 | 413 |
1.2%
|
|
| 1977 | 400 |
1.2%
|
|
| 1978 | 398 |
1.2%
|
|
| 1979 | 391 |
1.2%
|
|
| 1980 | 390 |
1.2%
|
|
| 1981 | 341 |
1%
|
|
| 1982 | 339 |
1%
|
|
| 1983 | 367 |
1.1%
|
|
| 1984 | 368 |
1.1%
|
|
| 1985 | 343 |
1%
|
|
| 1986 | 326 |
1%
|
|
| 1987 | 319 |
1%
|
|
| 1988 | 343 |
1%
|
|
| 1989 | 297 |
0.9%
|
|
| 1990 | 334 |
1%
|
|
| 1991 | 343 |
1%
|
|
| 1992 | 340 |
1%
|
|
| 1993 | 347 |
1%
|
|
| 1994 | 335 |
1%
|
|
| 1995 | 367 |
1.1%
|
|
| 1996 | 330 |
1%
|
|
| 1997 | 329 |
1%
|
|
| 1998 | 300 |
0.9%
|
|
| 1999 | 349 |
1%
|
|
| 2000 | 308 |
0.9%
|
|
| 2001 | 333 |
1%
|
|
| 2002 | 331 |
1%
|
|
| 2003 | 345 |
1%
|
|
| 2004 | 334 |
1%
|
|
| 2005 | 313 |
0.9%
|
|
| 2006 | 298 |
0.9%
|
|
| 2007 | 286 |
0.9%
|
|
| 2008 | 269 |
0.8%
|
|
| 2009 | 272 |
0.8%
|
|
| 2010 | 278 |
0.8%
|
|
| 2011 | 292 |
0.9%
|
|
| 2012 | 266 |
0.8%
|
|
| 2013 | 240 |
0.7%
|
|
| 2014 | 251 |
0.8%
|
|
| 2015 | 218 |
0.7%
|
|
| 2016 | 208 |
0.6%
|
|
| 2017 | 225 |
0.7%
|
|
| 2018 | 25 |
0.1%
|