| Value | Category | Cases | |
|---|---|---|---|
| 1919 | 1 |
0%
|
|
| 1920 | 1 |
0%
|
|
| 1921 | 4 |
0%
|
|
| 1922 | 8 |
0%
|
|
| 1923 | 7 |
0%
|
|
| 1924 | 15 |
0%
|
|
| 1925 | 16 |
0%
|
|
| 1926 | 21 |
0.1%
|
|
| 1927 | 37 |
0.1%
|
|
| 1928 | 49 |
0.1%
|
|
| 1929 | 61 |
0.2%
|
|
| 1930 | 109 |
0.3%
|
|
| 1931 | 121 |
0.4%
|
|
| 1932 | 152 |
0.5%
|
|
| 1933 | 178 |
0.5%
|
|
| 1934 | 207 |
0.6%
|
|
| 1935 | 221 |
0.7%
|
|
| 1936 | 251 |
0.8%
|
|
| 1937 | 290 |
0.9%
|
|
| 1938 | 276 |
0.8%
|
|
| 1939 | 291 |
0.9%
|
|
| 1940 | 310 |
0.9%
|
|
| 1941 | 287 |
0.9%
|
|
| 1942 | 336 |
1%
|
|
| 1943 | 317 |
1%
|
|
| 1944 | 294 |
0.9%
|
|
| 1945 | 304 |
0.9%
|
|
| 1946 | 389 |
1.2%
|
|
| 1947 | 499 |
1.5%
|
|
| 1948 | 556 |
1.7%
|
|
| 1949 | 567 |
1.7%
|
|
| 1950 | 600 |
1.8%
|
|
| 1951 | 566 |
1.7%
|
|
| 1952 | 668 |
2%
|
|
| 1953 | 677 |
2.1%
|
|
| 1954 | 707 |
2.2%
|
|
| 1955 | 622 |
1.9%
|
|
| 1956 | 633 |
1.9%
|
|
| 1957 | 491 |
1.5%
|
|
| 1958 | 557 |
1.7%
|
|
| 1959 | 513 |
1.6%
|
|
| 1960 | 544 |
1.7%
|
|
| 1961 | 535 |
1.6%
|
|
| 1962 | 512 |
1.6%
|
|
| 1963 | 459 |
1.4%
|
|
| 1964 | 449 |
1.4%
|
|
| 1965 | 439 |
1.3%
|
|
| 1966 | 464 |
1.4%
|
|
| 1967 | 425 |
1.3%
|
|
| 1968 | 458 |
1.4%
|
|
| 1969 | 444 |
1.4%
|
|
| 1970 | 424 |
1.3%
|
|
| 1971 | 482 |
1.5%
|
|
| 1972 | 428 |
1.3%
|
|
| 1973 | 430 |
1.3%
|
|
| 1974 | 440 |
1.3%
|
|
| 1975 | 416 |
1.3%
|
|
| 1976 | 423 |
1.3%
|
|
| 1977 | 414 |
1.3%
|
|
| 1978 | 428 |
1.3%
|
|
| 1979 | 371 |
1.1%
|
|
| 1980 | 392 |
1.2%
|
|
| 1981 | 347 |
1.1%
|
|
| 1982 | 327 |
1%
|
|
| 1983 | 362 |
1.1%
|
|
| 1984 | 356 |
1.1%
|
|
| 1985 | 344 |
1%
|
|
| 1986 | 304 |
0.9%
|
|
| 1987 | 326 |
1%
|
|
| 1988 | 333 |
1%
|
|
| 1989 | 289 |
0.9%
|
|
| 1990 | 313 |
1%
|
|
| 1991 | 331 |
1%
|
|
| 1992 | 318 |
1%
|
|
| 1993 | 321 |
1%
|
|
| 1994 | 343 |
1%
|
|
| 1995 | 342 |
1%
|
|
| 1996 | 340 |
1%
|
|
| 1997 | 330 |
1%
|
|
| 1998 | 286 |
0.9%
|
|
| 1999 | 334 |
1%
|
|
| 2000 | 305 |
0.9%
|
|
| 2001 | 351 |
1.1%
|
|
| 2002 | 321 |
1%
|
|
| 2003 | 334 |
1%
|
|
| 2004 | 335 |
1%
|
|
| 2005 | 307 |
0.9%
|
|
| 2006 | 289 |
0.9%
|
|
| 2007 | 274 |
0.8%
|
|
| 2008 | 289 |
0.9%
|
|
| 2009 | 271 |
0.8%
|
|
| 2010 | 278 |
0.8%
|
|
| 2011 | 277 |
0.8%
|
|
| 2012 | 232 |
0.7%
|
|
| 2013 | 237 |
0.7%
|
|
| 2014 | 237 |
0.7%
|
|
| 2015 | 211 |
0.6%
|
|
| 2016 | 194 |
0.6%
|
|
| 2017 | 214 |
0.7%
|
|
| 2018 | 63 |
0.2%
|