Year   Concerts Seen  
2023 4 concerts
2022 1 concert
2018 1 concert
2017 1 concert
2016 3 concerts
2015 2 concerts
2014 1 concert
2013 3 concerts
2012 2 concerts
2010 1 concert
2009 2 concerts
2006 2 concerts
2005 4 concerts
2003 1 concert
2001 1 concert
1999 2 concerts
1993 3 concerts
1992 1 concert
1989 1 concert
1988 1 concert
1987 1 concert