Year	Number
1996	67.8391952514648
1998	71
2000	79.6019897460938
2002	80.5970153808594
2003	83.0845794677734
2004	80.7692337036133
2005	80.3827743530273
2006	68.4210510253906
2007	72.2488021850586
2008	71.6346130371094
2009	63.9810409545898
2010	63.0331764221191
2011	61.9718322753906
2012	61.5023460388184
2013	61.0328636169434
2014	65.8653869628906
2015	62.8571434020996
2016	51.4285697937012
2017	48.5714302062988
2018	44.761905670166
2019	45.238094329834
2020	44.761905670166
2021	45.7142868041992
2022	45.7547187805176