Year	Number
1996	56.9148941040039
1998	60.1063842773438
2000	62.4338607788086
2002	59.7883605957031
2003	58.2914581298828
2004	63.1067962646484
2005	64.5631103515625
2006	56.5217399597168
2007	63.2850227355957
2008	66.3461532592773
2009	65.4028472900391
2010	66.8246459960938
2011	70.6161117553711
2012	72.0379180908203
2013	72.511848449707
2014	78.0952377319336
2015	70.476188659668
2016	65.2380981445313
2017	65.2380981445313
2018	64.1509399414063
2019	67.4528274536133
2020	71.2264175415039
2021	68.8679275512695
2022	72.6415100097656