Years
- 2010Albums: 26
- 2008Albums: 98
- 2006Albums: 85
- 2004Albums: 68
- 2002Albums: 84
- 2000Albums: 42
- 1998Albums: 39
- 1996Albums: 31
- 1994Albums: 42
- 1992Albums: 50
- 1990Albums: 42
- 1988Albums: 38
- 1986Albums: 47
- 1984Albums: 46
- 1982Albums: 31
- 1980Albums: 30
- 1978Albums: 24
- 1976Albums: 8
- 1974Albums: 6
- 1972Albums: 8
- 1970Albums: 16
- 1968Albums: 11
- 1966Albums: 10
- 1964Albums: 12
- 1962Albums: 14
- 1960Albums: 43
- 1958Albums: 6
- 1956Albums: 3
- 1950Albums: 46
- 1943Albums: 1
- 1939Albums: 1
- 2009 Albums: 84
- 2007 Albums: 84
- 2005 Albums: 91
- 2003 Albums: 90
- 2001 Albums: 60
- 1999 Albums: 45
- 1997 Albums: 41
- 1995 Albums: 39
- 1993 Albums: 46
- 1991 Albums: 40
- 1989 Albums: 35
- 1987 Albums: 38
- 1985 Albums: 43
- 1983 Albums: 49
- 1981 Albums: 36
- 1979 Albums: 29
- 1977 Albums: 18
- 1975 Albums: 7
- 1973 Albums: 7
- 1971 Albums: 8
- 1969 Albums: 5
- 1967 Albums: 7
- 1965 Albums: 16
- 1963 Albums: 18
- 1961 Albums: 9
- 1959 Albums: 4
- 1957 Albums: 5
- 1955 Albums: 2
- 1944 Albums: 1
- 1941 Albums: 1
- 1937 Albums: 1