Year	Number
1996	62.2340431213379
1998	88.8297882080078
2000	79.8941802978516
2002	82.539680480957
2003	68.3417053222656
2004	62.1359214782715
2005	65.0485458374023
2006	71.4975814819336
2007	71.9806747436523
2008	71.6346130371094
2009	72.0379180908203
2010	71.5639801025391
2011	68.7203826904297
2012	69.6682434082031
2013	64.4549789428711
2014	59.0476188659668
2015	57.6190490722656
2016	59.523811340332
2017	69.0476226806641
2018	71.2264175415039
2019	78.301887512207
2020	72.1698150634766
2021	69.8113174438477
2022	67.4528274536133