Year	Number
1996	39.361701965332
1998	49.4680862426758
2000	60.3174591064453
2002	55.0264549255371
2003	38.6934661865234
2004	42.7184448242188
2005	44.6601943969727
2006	40.5797119140625
2007	42.9951705932617
2008	45.1923065185547
2009	44.0758285522461
2010	48.3412322998047
2011	49.7630348205566
2012	54.502368927002
2013	45.497631072998
2014	43.8095245361328
2015	45.238094329834
2016	43.3333320617676
2017	35.7142868041992
2018	32.0754699707031
2019	42.9245300292969
2020	44.3396224975586
2021	44.8113212585449
2022	41.0377349853516