Year	Number
1996	60.1063842773438
1998	43.6170196533203
2000	42.8571434020996
2002	60.3174591064453
2003	71.8592987060547
2004	60.1941757202148
2005	58.737865447998
2006	51.6908226013184
2007	66.1835784912109
2008	58.1730766296387
2009	69.1943130493164
2010	62.5592422485352
2011	58.7677726745605
2012	63.0331764221191
2013	63.0331764221191
2014	47.1428565979004
2015	50
2016	32.8571434020996
2017	35.238094329834
2018	41.9811325073242
2019	45.7547187805176
2020	33.0188674926758
2021	31.1320762634277
2022	30.6603775024414