Year	Number
1996	49.7487449645996
1998	49.5
2000	42.7860679626465
2002	49.7512435913086
2003	56.2189064025879
2004	57.211540222168
2005	55.9808616638184
2006	53.5885162353516
2007	55.9808616638184
2008	57.6923065185547
2009	57.3459701538086
2010	56.8720397949219
2011	57.2769966125488
2012	54.9295768737793
2013	55.3990592956543
2014	57.6923065185547
2015	53.3333320617676
2016	50
2017	49.0476188659668
2018	48.5714302062988
2019	50.476188659668
2020	52.3809509277344
2021	52.3809509277344
2022	53.7735862731934