Year	Number
1996	26.0869560241699
1998	31.5217399597168
2000	45.652172088623
2002	40.5405387878418
2003	42.1621627807617
2004	41.2935333251953
2005	45.0980377197266
2006	45.5882339477539
2007	43.2038841247559
2008	38.8349533081055
2009	39.7129173278809
2010	36.8421058654785
2011	38.8625602722168
2012	33.6492881774902
2013	34.5971565246582
2014	33.6538467407227
2015	37.1428565979004
2016	41.4285697937012
2017	42.8571434020996
2018	44.761905670166
2019	47.1428565979004
2020	46.6666679382324
2021	49.0476188659668
2022	50.9433975219727