Year	Number
1996	49.4623641967773
1998	50.8021392822266
2000	62.7659568786621
2002	61.375659942627
2003	69.8412704467773
2004	68.4729080200195
2005	67.8048782348633
2006	72.6829299926758
2007	73.3009719848633
2008	73.3009719848633
2009	69.8564605712891
2010	70
2011	68.7203826904297
2012	72.511848449707
2013	72.9857788085938
2014	70.1923065185547
2015	69.523811340332
2016	64.2857131958008
2017	64.2857131958008
2018	61.9047622680664
2019	51.4285697937012
2020	57.1428565979004
2021	55.238094329834
2022	52.8301887512207