Year   Concerts Seen  
2018 3 concerts
2017 1 concert
2016 1 concert
2015 2 concerts
2011 1 concert
2008 1 concert
2004 1 concert
2003 1 concert
2000 1 concert
1999 1 concert
1998 1 concert
1997 1 concert
1995 1 concert
1993 1 concert
1992 1 concert
1988 1 concert
1987 1 concert
1984 1 concert