Year	Number
1996	49
1998	48.756217956543
2000	51.243782043457
2002	54.2288551330566
2003	53.7313423156738
2004	54.8076934814453
2005	57.6923065185547
2006	55.769229888916
2007	57.211540222168
2008	58.1730766296387
2009	57.3459701538086
2010	58.7677726745605
2011	56.8075103759766
2012	56.8075103759766
2013	56.3380279541016
2014	56.6502456665039
2015	55.6650238037109
2016	54.1871910095215
2017	54.1871910095215
2018	52.4271850585938
2019	50.2415466308594
2020	50.7246360778809
2021	48.3091773986816
2022	47.8260879516602