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