Year	Number
1996	77.8894500732422
1998	72.5
2000	70.1492538452148
2002	61.1940307617188
2003	61.1940307617188
2004	58.1730766296387
2005	46.4114837646484
2006	49.7607650756836
2007	50.2392349243164
2008	49.038459777832
2009	41.2322273254395
2010	41.2322273254395
2011	42.2535209655762
2012	40.3755874633789
2013	38.9671363830566
2014	34.6153831481934
2015	36.6666679382324
2016	38.5714302062988
2017	35.238094329834
2018	35.7142868041992
2019	38.0952377319336
2020	36.1904754638672
2021	35.238094329834
2022	40.0943412780762