Year	Number
1996	57.4468078613281
1998	57.4468078613281
2000	69.8412704467773
2002	40.2116394042969
2003	33.165828704834
2004	23.3009700775146
2005	29.6116504669189
2006	48.7922706604004
2007	41.5458946228027
2008	50.480770111084
2009	45.971565246582
2010	47.8672981262207
2011	54.502368927002
2012	55.9241714477539
2013	56.8720397949219
2014	57.6190490722656
2015	57.6190490722656
2016	48.5714302062988
2017	42.3809509277344
2018	49.5283012390137
2019	39.6226425170898
2020	33.4905662536621
2021	33.0188674926758
2022	31.1320762634277