Year	Number
1996	75
1998	73.9361724853516
2000	76.7195739746094
2002	68.7830657958984
2003	71.8592987060547
2004	66.019416809082
2005	61.6504859924316
2006	64.7342987060547
2007	63.7681159973145
2008	62.019229888916
2009	61.6113739013672
2010	55.4502372741699
2011	48.8151664733887
2012	36.9668235778809
2013	27.488151550293
2014	28.0952377319336
2015	23.8095245361328
2016	18.5714282989502
2017	22.8571434020996
2018	28.7735843658447
2019	26.8867931365967
2020	39.6226425170898
2021	33.0188674926758
2022	39.1509437561035