Year	Number
1996	33.6956520080566
1998	48.3695640563965
2000	42.3913040161133
2002	40.5405387878418
2003	41.6216201782227
2004	41.2935333251953
2005	50.4901962280273
2006	45.5882339477539
2007	45.6310691833496
2008	49.5145645141602
2009	44.9760780334473
2010	41.1483268737793
2011	41.2322273254395
2012	41.2322273254395
2013	43.1279602050781
2014	34.6153831481934
2015	34.2857131958008
2016	36.1904754638672
2017	33.8095245361328
2018	36.1904754638672
2019	34.761905670166
2020	32.8571434020996
2021	34.2857131958008
2022	35.8490562438965