Year	Number
1996	59.1397857666016
1998	60.427806854248
2000	67.5531921386719
2002	62.4338607788086
2003	60.3174591064453
2004	57.1428565979004
2005	58.0487823486328
2006	62.4390258789063
2007	57.7669906616211
2008	57.2815551757813
2009	55.9808616638184
2010	59.0476188659668
2011	58.7677726745605
2012	55.9241714477539
2013	54.028434753418
2014	51.9230766296387
2015	51.4285697937012
2016	52.8571434020996
2017	55.238094329834
2018	56.1904754638672
2019	55.7142868041992
2020	61.4285697937012
2021	61.4285697937012
2022	62.2641525268555