Year   Concerts Seen  
2024 1 concert
2022 1 concert
2020 1 concert
2019 2 concerts
2018 2 concerts
2014 1 concert
2012 1 concert
2011 1 concert
2007 1 concert
1999 1 concert
1998 2 concerts
1993 4 concerts
1992 1 concert
1984 1 concert
1981 1 concert
1980 3 concerts
1979 4 concerts
1978 7 concerts
1977 2 concerts
1976 3 concerts
1975 1 concert