By year
- 2018 [54]
- 2017 [811]
- 2016 [1,071]
- 2015 [991]
- 2014 [1,050]
- 2013 [981]
- 2012 [968]
- 2011 [952]
- 2010 [967]
- 2009 [977]
- 2008 [963]
- 2007 [965]
- 2006 [956]
- 2005 [909]
- 2004 [822]
- 2003 [595]
- 2002 [128]
- 2001 [29]
- 2000 [22]
- 1999 [32]
- 1998 [39]
- 1997 [22]
- 1996 [14]
- 1995 [18]
- 1994 [20]
- 1993 [12]
- 1992 [10]
- 1991 [17]
- 1990 [10]
- 1989 [13]
- 1988 [11]
- 1987 [12]
- 1986 [19]
- 1985 [25]
- 1984 [16]
- 1983 [19]
- 1982 [1]
- 1981 [2]
- 1979 [3]
- 1977 [2]
- 1976 [4]
- 1975 [2]
- 1974 [1]
- 1972 [1]
- 1971 [1]