Nikkibokker has seen concerts during 15 years.

Year   Concerts Seen  
2019 3 concerts
2018 1 concert
2017 1 concert
2016 3 concerts
2008 4 concerts
2007 6 concerts
2006 3 concerts
2005 2 concerts
2002 1 concert
2001 2 concerts
1996 1 concert
1991 2 concerts
1989 1 concert
1988 1 concert
1987 2 concerts