Number of live performances per year
| 2018 | 12 |
| 2015 | 6 |
| 2014 | 65 |
| 2013 | 82 |
| 2012 | 85 |
| 2011 | 78 |
| 2010 | 41 |
| 2009 | 95 |
| 2008 | 51 |
| 2007 | 70 |
| 2006 | 91 |
| 2005 | 92 |
| 2004 | 108 |
| 2003 | 91 |
| 2002 | 86 |
| 2001 | 89 |
| 2000 | 40 |
| 1999 | 52 |
| 1998 | 8 |
| 1997 | 38 |
| 1996 | 86 |
| 1995 | 115 |
| 1994 | 104 |
| 1993 | 76 |
| 1992 | 86 |
| 1991 | 89 |
| 1990 | 82 |
| 1989 | 63 |
| 1988 | 39 |
| 1987 | 8 |
| 1986 | 12 |
| 1984 | 28 |
| 1981 | 35 |
| 1980 | 10 |
| 1978 | 110 |
| 1974 | 40 |