Year	Number
1996	49.4680862426758
1998	29.2553195953369
2000	42.8571434020996
2002	68.2539672851563
2003	54.773868560791
2004	53.3980598449707
2005	57.2815551757813
2006	52.6570053100586
2007	42.9951705932617
2008	44.711540222168
2009	51.1848335266113
2010	54.028434753418
2011	48.8151664733887
2012	42.6540298461914
2013	45.497631072998
2014	50.476188659668
2015	51.4285697937012
2016	49.0476188659668
2017	48.5714302062988
2018	50
2019	31.1320762634277
2020	34.9056587219238
2021	39.1509437561035
2022	36.7924537658691