Year	Number
1996	36.559139251709
1998	49.7326202392578
2000	48.9361686706543
2002	56.0846557617188
2003	53.9682540893555
2004	50.7389144897461
2005	54.1463432312012
2006	55.6097564697266
2007	57.7669906616211
2008	62.1359214782715
2009	62.6794242858887
2010	62.3809509277344
2011	63.0331764221191
2012	55.9241714477539
2013	56.3981056213379
2014	57.211540222168
2015	54.761905670166
2016	50
2017	51.9047622680664
2018	53.8095245361328
2019	52.8571434020996
2020	59.0476188659668
2021	58.5714302062988
2022	58.0188674926758