Year	Number
1996	69.5652160644531
1998	70.6521759033203
2000	81.5217361450195
2002	62.1621627807617
2003	57.8378372192383
2004	51.243782043457
2005	51.470588684082
2006	54.4117660522461
2007	51.9417457580566
2008	54.8543701171875
2009	59.8086128234863
2010	54.5454559326172
2011	60.6635055541992
2012	63.0331764221191
2013	58.7677726745605
2014	54.8076934814453
2015	60.9523811340332
2016	61.4285697937012
2017	64.7619018554688
2018	64.2857131958008
2019	64.2857131958008
2020	71.9047622680664
2021	71.9047622680664
2022	73.1132049560547