Year	Number
1996	39.7849464416504
1998	49.7326202392578
2000	45.7446823120117
2002	43.3862419128418
2003	58.7301597595215
2004	55.6650238037109
2005	56.0975608825684
2006	57.5609741210938
2007	57.2815551757813
2008	61.6504859924316
2009	55.5023918151855
2010	52.3809509277344
2011	54.028434753418
2012	54.028434753418
2013	54.028434753418
2014	54.3269233703613
2015	55.7142868041992
2016	57.1428565979004
2017	56.1904754638672
2018	53.8095245361328
2019	50
2020	45.7142868041992
2021	48.0952377319336
2022	48.113208770752