Hendrik has seen concerts during 28 years.

Year   Concerts Seen  
2024 57 concerts
2023 58 concerts
2022 40 concerts
2021 13 concerts
2020 15 concerts
2019 55 concerts
2018 52 concerts
2017 57 concerts
2016 45 concerts
2015 32 concerts
2014 19 concerts
2013 6 concerts
2012 8 concerts
2011 2 concerts
2010 6 concerts
2009 1 concert
2008 1 concert
2007 1 concert
2006 1 concert
2005 1 concert
2002 1 concert
1990 1 concert
1988 1 concert
1983 4 concerts
1982 2 concerts
1981 1 concert
1979 4 concerts
1978 1 concert