Year	Number
1996	55
1998	49.2537307739258
2000	51.7412948608398
2002	53.233829498291
2003	53.7313423156738
2004	55.288459777832
2005	55.769229888916
2006	54.3269233703613
2007	54.8076934814453
2008	55.769229888916
2009	55.9241714477539
2010	55.4502372741699
2011	55.3990592956543
2012	56.3380279541016
2013	56.3380279541016
2014	55.1724128723145
2015	54.1871910095215
2016	54.1871910095215
2017	53.2019691467285
2018	51.4563102722168
2019	49.2753639221191
2020	42.512077331543
2021	41.5458946228027
2022	40.5797119140625