Year	Number
1996	53.5
1998	57.7114410400391
2000	55.2238807678223
2002	51.7412948608398
2003	51.7412948608398
2004	45.6730766296387
2005	45.6730766296387
2006	48.0769233703613
2007	46.6346168518066
2008	44.711540222168
2009	35.5450248718262
2010	36.0189590454102
2011	37.5586853027344
2012	40.3755874633789
2013	38.0281677246094
2014	40.3940887451172
2015	39.4088668823242
2016	38.9162559509277
2017	37.9310340881348
2018	36.4077682495117
2019	34.2995185852051
2020	34.7826080322266
2021	34.7826080322266
2022	38.164249420166