Year	Number
1996	67.7595596313477
1998	59.5628433227539
2000	60.6557388305664
2002	67.0270233154297
2003	71.3513488769531
2004	71.6417922973633
2005	69.1176452636719
2006	72.1951217651367
2007	67.4757308959961
2008	69.4174728393555
2009	70.8134002685547
2010	72.7272720336914
2011	72.0379180908203
2012	74.8815155029297
2013	75.8293838500977
2014	77.8846130371094
2015	82.3809509277344
2016	78.0952377319336
2017	77.6190490722656
2018	79.523811340332
2019	82.3809509277344
2020	76.1904754638672
2021	76.6666641235352
2022	75