Year   Concerts Seen  
2022 11 concerts
2021 10 concerts
2020 1 concert
2018 3 concerts
2017 2 concerts
2016 4 concerts
2015 3 concerts
2014 4 concerts
2013 2 concerts
2012 4 concerts
2011 2 concerts
2010 5 concerts
2009 4 concerts
2008 4 concerts
2007 2 concerts
2006 1 concert
2005 2 concerts
2004 2 concerts
2003 3 concerts
2002 2 concerts
2001 2 concerts
2000 2 concerts
1999 1 concert
1998 4 concerts
1996 5 concerts
1995 4 concerts
1994 1 concert
1993 1 concert
1991 1 concert
1990 2 concerts
1978 1 concert