Year   Concerts Seen  
2018 4 concerts
2017 2 concerts
2016 3 concerts
2015 3 concerts
2014 2 concerts
2013 5 concerts
2012 1 concert
2010 2 concerts
2008 1 concert
2005 1 concert
2004 1 concert
2001 2 concerts
1998 2 concerts
1997 2 concerts
1995 3 concerts
1994 1 concert
1993 1 concert
1992 3 concerts
1991 3 concerts
1990 4 concerts
1989 3 concerts
1988 6 concerts
1987 3 concerts
1986 1 concert
1985 1 concert
1984 5 concerts
1983 1 concert
1982 2 concerts
1981 1 concert
1980 2 concerts
1979 1 concert