Year   Concerts Seen  
2025 2 concerts
2024 4 concerts
2023 3 concerts
2022 2 concerts
2021 2 concerts
2020 1 concert
2019 3 concerts
2018 1 concert
2017 3 concerts
2015 3 concerts
2014 2 concerts
2012 4 concerts
2010 5 concerts
2009 2 concerts
2008 5 concerts
2007 3 concerts
2006 6 concerts
2004 1 concert
2003 1 concert
1991 1 concert
1987 1 concert
1984 1 concert
1974 1 concert
1973 2 concerts
1972 1 concert
1971 2 concerts
1970 12 concerts
1969 4 concerts
1967 1 concert
1966 1 concert