2021

9 albums

2020

11 albums

2019

11 albums

2018

19 albums

2017

19 albums

2016

8 albums

2015

9 albums

2014

5 albums

2013

3 albums

2012

5 albums

2011

6 albums

2010

6 albums

2009

2 albums

2008

2 albums

2007

2 albums

2006

2 albums

2005

2 albums

2004

2 albums

2003

2 albums

2002

2 albums

2001

2 albums

2000

3 albums

1999

2 albums

1998

3 albums

1997

2 albums

1996

3 albums

1995

2 albums

1994

3 albums

1993

3 albums

1992

4 albums

1991

3 albums

1990

4 albums

1989

2 albums

1988

3 albums

1987

3 albums

1986

6 albums

1985

5 albums

1984

4 albums

1983

4 albums

1982

3 albums

1981

3 albums

1980

3 albums

1979

2 albums

1978

3 albums

1977

2 albums

1976

3 albums

1975

5 albums

1974

3 albums

1973

3 albums

1972

2 albums

1971

3 albums

1970

4 albums