| 1945 1 | 1946 22 | 1947 28 | 1960 1 |
| 1961 1 | 1964 1 | 1965 1 | 1966 1 |
| 1968 1 | 1969 2 | 1971 2 | 1974 1 |
| 1975 1 | 1976 2 | 1977 2 | 1979 6 |
| 1980 4 | 1981 3 | 1983 3 | 1984 1 |
| 1985 4 | 1986 2 | 1989 4 | 1990 5 |
| 1991 16 | 1992 2 | 1993 21 | 1994 59 |
| 1995 33 | 1996 178 | 1997 130 | 1998 307 |
| 1999 326 | 2000 342 | 2001 196 | 2002 155 |
| 2003 221 | 2004 213 | 2005 178 | 2006 542 |
| 2007 180 | 2008 107 | 2009 107 | 2010 81 |
| 2011 61 | 2012 38 | 2013 86 | 2014 100 |
| 2015 320 | 2016 118 |
