| 1961 |
11 |
| 1962 |
50 |
| 1963 |
132 |
| 1964 |
252 |
| 1965 |
275 |
| 1966 |
424 |
| 1967 |
385 |
| 1968 |
408 |
| 1969 |
454 |
| 1970 |
508 |
| 1971 |
512 |
| 1972 |
533 |
| 1973 |
682 |
| 1974 |
836 |
| 1975 |
1100 |
| 1976 |
1200 |
| 1977 |
1320 |
| 1978 |
1150 |
| 1979 |
1200 |
| 1980 |
1380 |
| 1981 |
1625 |
| 1982 |
1675 |
| 1983 |
1775 |
| 1984 |
1850 |
| 1985 |
2065 |
| 1986 |
2120 |
| 1987 |
2110 |
| 1988 |
2220 |
|
| 1989 |
2160 |
| 1990 |
2140 |
| 1991 |
2000 |
| 1992 |
2030 |
| 1993 |
1980 |
| 1994 |
1950 |
| 1995 |
1800 |
| 1996 |
1855 |
| 1997 |
1681 |
| 1998 |
1706 |
| 1999 |
1580 |
| 2000 |
1610 |
| 2001 |
1660 |
| 2002 |
1650 |
| 2003 |
1610 |
| 2004 |
1680 |
| 2005 |
1660 |
| 2006 |
1667 |
| 2007 |
1710 |
| 2008 |
1713 |
| 2009 |
1725 |
| 2010 |
1825 |
| 2011 |
1720 |
| 2012 |
1720 |
|
2013 |
1525 |
| |
|
| |
|
| |
|
|
