Year	Number
1996	33.6956520080566
1998	27.1739139556885
2000	31.5217399597168
2002	61.6216201782227
2003	62.1621627807617
2004	62.1890563964844
2005	59.8039207458496
2006	57.8431358337402
2007	58.737865447998
2008	61.6504859924316
2009	57.8947372436523
2010	54.5454559326172
2011	52.6066360473633
2012	54.502368927002
2013	54.9763031005859
2014	63.461540222168
2015	60
2016	62.3809509277344
2017	55.7142868041992
2018	45.238094329834
2019	49.523811340332
2020	54.761905670166
2021	49.523811340332
2022	53.301887512207