Year   Concerts Seen  
2023 1 concert
2022 1 concert
2021 1 concert
2019 2 concerts
2016 1 concert
2010 1 concert
2009 2 concerts
2008 2 concerts
2007 2 concerts
2006 2 concerts
2005 1 concert
2004 1 concert
2003 3 concerts
1992 1 concert
1986 1 concert
1985 1 concert
1984 1 concert
1983 1 concert
1982 4 concerts
1981 7 concerts
1980 1 concert
1979 2 concerts
1978 1 concert