Year	Number
1996	73.9361724853516
1998	76.0638275146484
2000	80.9523773193359
2002	86.7724838256836
2003	70.3517608642578
2004	72.3300933837891
2005	74.271842956543
2006	73.4299545288086
2007	71.9806747436523
2008	76.4423065185547
2009	78.6729888916016
2010	81.0426559448242
2011	76.7772521972656
2012	79.1469192504883
2013	81.5165863037109
2014	73.8095245361328
2015	72.8571395874023
2016	74.7619018554688
2017	74.2857131958008
2018	71.2264175415039
2019	72.1698150634766
2020	74.0566024780273
2021	68.3962249755859
2022	60.8490562438965