Year	Number
1996	77
1998	80.0995025634766
2000	85.0746231079102
2002	86.0696487426758
2003	87.0646743774414
2004	85.5769195556641
2005	86.538459777832
2006	78.8461532592773
2007	80.7692337036133
2008	76.4423065185547
2009	74.8815155029297
2010	73.459716796875
2011	73.2394332885742
2012	70.8920211791992
2013	70.4225387573242
2014	66.5024642944336
2015	66.5024642944336
2016	58.6206893920898
2017	65.0246276855469
2018	64.0776672363281
2019	57.9710159301758
2020	58.937198638916
2021	58.937198638916
2022	59.9033813476563