Year	Number
1996	70
1998	65.1741256713867
2000	65.6716384887695
2002	69.1542282104492
2003	71.6417922973633
2004	73.5576934814453
2005	71.1538467407227
2006	69.2307662963867
2007	69.2307662963867
2008	68.2692337036133
2009	70.1421813964844
2010	72.0379180908203
2011	74.1784057617188
2012	74.1784057617188
2013	73.7089233398438
2014	71.4285736083984
2015	71.9211807250977
2016	70.9359588623047
2017	71.9211807250977
2018	71.8446578979492
2019	70.0483093261719
2020	71.0144958496094
2021	72.4637680053711
2022	71.0144958496094