Year	Number
2003	52.7638206481934
2004	55.8252410888672
2005	55.3398056030273
2006	53.1400947570801
2007	52.6570053100586
2008	52.8846168518066
2009	41.2322273254395
2010	51.6587677001953
2011	58.7677726745605
2012	57.3459701538086
2013	60.1895751953125
2014	59.0476188659668
2015	78.0952377319336
2016	78.5714263916016
2017	91.4285736083984
2018	90.5660400390625
2019	88.6792449951172
2020	71.2264175415039
2021	68.3962249755859
2022	71.698112487793
