Year	Number
1996	32.2580642700195
1998	33.6898384094238
2000	40.4255332946777
2002	25.3968257904053
2003	32.2751312255859
2004	24.630542755127
2005	20.9756088256836
2006	25.3658542633057
2007	19.9029121398926
2008	25.7281551361084
2009	24.4019145965576
2010	21.9047622680664
2011	23.6966819763184
2012	29.8578205108643
2013	35.0710906982422
2014	35.5769233703613
2015	37.1428565979004
2016	36.6666679382324
2017	39.0476188659668
2018	37.1428565979004
2019	33.3333320617676
2020	44.2857131958008
2021	48.0952377319336
2022	48.113208770752