Year	Number
1996	81.5
1998	78.6069641113281
2000	80.5970153808594
2002	72.6368179321289
2003	75.1243743896484
2004	82.211540222168
2005	83.1730804443359
2006	74.038459777832
2007	74.038459777832
2008	74.5192337036133
2009	90.0473937988281
2010	91.9431304931641
2011	90.1408462524414
2012	89.2018814086914
2013	89.6713638305664
2014	81.7733993530273
2015	83.2512283325195
2016	75.8620681762695
2017	77.3399047851563
2018	79.1262130737305
2019	77.7777786254883
2020	78.260871887207
2021	81.159423828125
2022	83.5748825073242