Gruberj has seen concerts during 30 years.

Year   Concerts Seen  
2024 11 concerts
2023 39 concerts
2022 44 concerts
2021 23 concerts
2020 7 concerts
2019 65 concerts
2018 71 concerts
2017 53 concerts
2016 43 concerts
2015 19 concerts
2014 4 concerts
2013 10 concerts
2012 9 concerts
2011 2 concerts
2010 4 concerts
2009 3 concerts
2008 3 concerts
2005 1 concert
2004 1 concert
2002 1 concert
1996 1 concert
1993 1 concert
1990 1 concert
1989 1 concert
1988 3 concerts
1987 2 concerts
1986 3 concerts
1985 1 concert
1983 3 concerts
1982 5 concerts