Year   Concerts Seen  
2018 1 concert
2017 1 concert
2016 1 concert
2014 1 concert
2013 3 concerts
2011 1 concert
2010 2 concerts
2009 1 concert
2008 1 concert
2007 1 concert
2006 2 concerts
2005 1 concert
2003 2 concerts
2002 1 concert
2001 1 concert
2000 1 concert
1999 1 concert
1990 1 concert
1988 1 concert
1987 3 concerts
1986 3 concerts
1985 1 concert
1984 1 concert
1983 1 concert
1982 1 concert