Year	Number
1996	50
1998	61.1702117919922
2000	64.0211639404297
2002	58.7301597595215
2003	60.3015060424805
2004	43.6893196105957
2005	55.3398056030273
2006	52.6570053100586
2007	30.4347820281982
2008	23.5576915740967
2009	20.8530807495117
2010	24.6445503234863
2011	22.748815536499
2012	20.3791465759277
2013	35.5450248718262
2014	57.6190490722656
2015	45.238094329834
2016	47.1428565979004
2017	38.5714302062988
2018	35.3773574829102
2019	28.301887512207
2020	44.3396224975586
2021	50.9433975219727
2022	51.886791229248