Year	Number
1996	47.7386932373047
1998	49.5
2000	37.3134346008301
2002	34.3283576965332
2003	36.8159217834473
2004	42.788459777832
2005	42.1052627563477
2006	38.2775115966797
2007	37.3205757141113
2008	40.3846168518066
2009	41.7061614990234
2010	43.6018943786621
2011	45.5399055480957
2012	46.0093879699707
2013	43.1924896240234
2014	46.1538467407227
2015	42.3809509277344
2016	32.8571434020996
2017	35.7142868041992
2018	36.1904754638672
2019	36.1904754638672
2020	33.3333320617676
2021	40.476188659668
2022	41.9811325073242