Year	Number
1996	78.260871887207
1998	78.8043441772461
2000	68.4782638549805
2002	33.5135116577148
2003	40.5405387878418
2004	39.3034820556641
2005	47.5490188598633
2006	43.6274528503418
2007	43.6893196105957
2008	41.7475738525391
2009	32.5358848571777
2010	35.8851661682129
2011	35.5450248718262
2012	30.3317527770996
2013	28.9099521636963
2014	25.9615383148193
2015	30
2016	51.9047622680664
2017	59.0476188659668
2018	60
2019	47.1428565979004
2020	45.238094329834
2021	41.9047622680664
2022	39.6226425170898