Year	Number
1996	76.8844223022461
1998	80
2000	79.6019897460938
2002	77.6119384765625
2003	78.6069641113281
2004	83.1730804443359
2005	86.6028671264648
2006	88.5167465209961
2007	86.6028671264648
2008	64.4230804443359
2009	61.1374397277832
2010	59.2417068481445
2011	53.521125793457
2012	56.3380279541016
2013	55.8685455322266
2014	46.6346168518066
2015	45.238094329834
2016	53.3333320617676
2017	55.7142868041992
2018	54.761905670166
2019	55.238094329834
2020	56.1904754638672
2021	68.0952377319336
2022	72.1698150634766