| 1945 2 | 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 60 |
| 1995 33 | 1996 178 | 1997 130 | 1998 306 |
| 1999 326 | 2000 342 | 2001 196 | 2002 154 |
| 2003 220 | 2004 211 | 2005 178 | 2006 541 |
| 2007 180 | 2008 109 | 2009 107 | 2010 77 |
| 2011 58 | 2012 38 | 2013 83 | 2014 93 |
| 2015 576 | 2016 508 | 2017 40 |
