Year   Concerts Seen  
2019 4 concerts
2018 2 concerts
2017 5 concerts
2016 1 concert
2015 5 concerts
2014 3 concerts
2013 4 concerts
2011 2 concerts
2009 3 concerts
2005 2 concerts
2004 1 concert
2003 3 concerts
2001 1 concert
2000 2 concerts
1999 5 concerts
1998 6 concerts
1997 9 concerts
1996 2 concerts
1995 5 concerts
1994 2 concerts
1993 4 concerts
1992 3 concerts
1991 3 concerts
1990 2 concerts