Year	Number
1996	55.7377052307129
1998	59.0163917541504
2000	59.5628433227539
2002	51.8918914794922
2003	54.5945930480957
2004	51.7412948608398
2005	35.294116973877
2006	36.5853652954102
2007	40.7766990661621
2008	40.2912635803223
2009	33.0143547058105
2010	42.5837326049805
2011	45.0236968994141
2012	44.0758285522461
2013	45.0236968994141
2014	33.1730766296387
2015	31.9047622680664
2016	32.3809509277344
2017	38.0952377319336
2018	43.8095245361328
2019	38.5714302062988
2020	47.1428565979004
2021	37.1428565979004
2022	33.4905662536621