Year	Number
1996	74
1998	72.6368179321289
2000	71.1442794799805
2002	72.6368179321289
2003	72.6368179321289
2004	75.961540222168
2005	72.5961532592773
2006	73.5576934814453
2007	72.1153869628906
2008	71.1538467407227
2009	71.5639801025391
2010	72.511848449707
2011	73.7089233398438
2012	72.3004684448242
2013	72.3004684448242
2014	70.9359588623047
2015	71.9211807250977
2016	71.9211807250977
2017	73.8916244506836
2018	71.8446578979492
2019	71.4975814819336
2020	71.0144958496094
2021	69.5652160644531
2022	71.4975814819336