Year	Number
1996	69
1998	67.164176940918
2000	69.651741027832
2002	63.1840782165527
2003	66.1691513061523
2004	68.2692337036133
2005	64.4230804443359
2006	66.8269195556641
2007	67.788459777832
2008	63.461540222168
2009	60.1895751953125
2010	64.9289093017578
2011	64.3192520141602
2012	62.9107971191406
2013	62.4413146972656
2014	66.5024642944336
2015	68.9655151367188
2016	70.9359588623047
2017	70.9359588623047
2018	71.8446578979492
2019	71.4975814819336
2020	71.4975814819336
2021	72.4637680053711
2022	70.5314025878906