Iamgas has seen concerts during 37 years.

Year   Concerts Seen  
2023 4 concerts
2022 2 concerts
2019 8 concerts
2018 6 concerts
2017 6 concerts
2016 14 concerts
2015 15 concerts
2014 9 concerts
2013 9 concerts
2012 6 concerts
2011 5 concerts
2010 2 concerts
2009 5 concerts
2008 11 concerts
2007 9 concerts
2006 6 concerts
2005 5 concerts
2004 5 concerts
2003 3 concerts
2002 1 concert
2001 1 concert
1998 1 concert
1996 1 concert
1994 1 concert
1993 3 concerts
1992 11 concerts
1991 5 concerts
1990 15 concerts
1989 4 concerts
1988 11 concerts
1987 7 concerts
1986 11 concerts
1985 5 concerts
1984 8 concerts
1983 5 concerts
1982 4 concerts
1981 7 concerts