Year	Number
1996	74.8633880615234
1998	75.4098358154297
2000	80.3278656005859
2002	79.4594573974609
2003	78.3783798217773
2004	72.6368179321289
2005	70.5882339477539
2006	69.7560958862305
2007	71.8446578979492
2008	72.8155364990234
2009	72.7272720336914
2010	72.2488021850586
2011	71.5639801025391
2012	73.459716796875
2013	73.9336471557617
2014	59.1346168518066
2015	62.8571434020996
2016	60.476188659668
2017	43.3333320617676
2018	42.8571434020996
2019	40
2020	49.0476188659668
2021	48.0952377319336
2022	49.0566024780273