Diane Wirono has seen concerts during 12 years.

Year   Concerts Seen  
2010 1 concert
2006 2 concerts
2005 1 concert
2004 1 concert
2003 1 concert
2001 1 concert
2000 1 concert
1998 2 concerts
1994 1 concert
1993 5 concerts
1985 1 concert
1984 1 concert