Year   Concerts Seen  
2024 5 concerts
2023 6 concerts
2022 2 concerts
2021 1 concert
2019 1 concert
2017 7 concerts
2016 3 concerts
2015 1 concert
2014 4 concerts
2013 1 concert
2012 2 concerts
2011 4 concerts
2010 1 concert
2009 1 concert
2008 3 concerts
2007 4 concerts
1990 1 concert
1987 2 concerts
1985 3 concerts
1984 3 concerts
1983 2 concerts
1982 2 concerts
1981 4 concerts
1980 2 concerts
1979 6 concerts
1978 4 concerts
1977 1 concert