Year | Class I events | Class II events | Class III events | Monthly average |
2001 | 0.4 (7.4%) | 3.0 (55.6%) | 2.0 (37.0%) | 5.4 |
2002 | 2.0 (29.4%) | 1.8 (26.5%) | 3.0 (44.1%) | 6.8 |
2003 | 0.9 (36.0%) | 0.4 (16.0%) | 1.2 (48.0%) | 2.5 |
2004 | 0.8 (36.4%) | 0.4 (18.2%) | 1.0 (45.5%) | 2.2 |
2005 | 2.0 (47.6%) | 0.6 (14.3%) | 1.6 (38.1%) | 4.2 |
2006 | 0.3 (30.0%) | 0.0 (0.0%) | 0.7 (70.0%) | 1.0 |
2007 | 0.0 (0.0%) | 0.4 (57.1%) | 0.3 (42.9%) | 0.7 |
2008 | 0.0 (0.0%) | 0.0 (0.0%) | 0.0 (0.0%) | 0.0 |
2009 | 0.0 (0.0%) | 0.0 (0.0%) | 0.0 (0.0%) | 0.0 |
2010 | 0.0 (0.0%) | 0.0 (0.0%) | 0.3 (100.0%) | 0.3 |
2011 | 0.8 (33.3%) | 0.4 (16.7%) | 1.2 (50.0%) | 2.4 |
2012 | 0.7 (25.0%) | 0.9 (33.3%) | 1.1 (41.7%) | 2.7 |
2013 | 0.4 (22.2%) | 0.2 (11.1%) | 1.3 (66.7%) | 2.0 |