1990 Season
13 events
1991 Season
35 events
1992 Season
36 events
1993 Season
94 events
1994 Season
208 events
1995 Season
206 events
1996 Season
254 events
1997 Season
267 events
1998 Season
223 events
1999 Season
165 events
2000 Season
138 events
2001 Season
104 events
2002 Season
83 events
2003 Season
46 events
2004 Season
77 events
2005 Season
89 events
2006 Season
97 events
2007 Season
115 events
2008 Season
109 events
2009 Season
107 events
2010 Season
90 events
2011 Season
80 events
2012 Season
109 events
2013 Season
97 events
2014 Season
79 events
2015 Season
65 events
2016 Season
25 events