This is a first very primitive replacement of the Adobe Flash Charts.
The data shows the number of concerts per year.

2025	0
2024	76
2023	77
2022	82
2021	21
2020	0
2019	77
2018	84
2017	86
2016	74
2015	88
2014	93
2013	85
2012	86
2011	88
2010	102
2009	97
2008	98
2007	97
2006	99
2005	113
2004	111
2003	98
2002	107
2001	106
2000	112
1999	120
1998	110
1997	95
1996	86
1995	116
1994	104
1993	81
1992	92
1991	101
1990	93
1989	99
1988	72
1987	36
1986	62
1985	2
1984	27
1983	0
1982	1
1981	54
1980	72
1979	26
1978	114
1977	0
1976	27
1975	32
1974	41
1973	0
1972	1
1971	2
1970	0
1969	2
1968	2
1967	0
1966	50
1965	67
1964	41
1963	22
1962	30
1961	39