Year	Number
1996	37.2340431213379
1998	35.638298034668
2000	35.4497337341309
2002	45.5026473999023
2003	54.2713584899902
2004	63.1067962646484
2005	55.3398056030273
2006	53.6231880187988
2007	53.6231880187988
2008	55.288459777832
2009	51.1848335266113
2010	57.8199043273926
2011	62.0853080749512
2012	63.0331764221191
2013	62.5592422485352
2014	65.7142868041992
2015	64.7619018554688
2016	61.4285697937012
2017	58.5714302062988
2018	60.8490562438965
2019	60.8490562438965
2020	61.3207550048828
2021	61.3207550048828
2022	62.2641525268555