Year	Number
1996	61.9565200805664
1998	54.347827911377
2000	52.7173919677734
2002	61.6216201782227
2003	60
2004	59.7014923095703
2005	59.8039207458496
2006	59.8039207458496
2007	64.0776672363281
2008	69.9029159545898
2009	72.2488021850586
2010	69.8564605712891
2011	66.8246459960938
2012	74.8815155029297
2013	73.459716796875
2014	69.711540222168
2015	71.9047622680664
2016	72.8571395874023
2017	67.1428604125977
2018	71.9047622680664
2019	73.8095245361328
2020	75.7142868041992
2021	77.1428604125977
2022	77.3584899902344