Year	Number
1996	54.7872352600098
1998	56.9148941040039
2000	69.8412704467773
2002	61.375659942627
2003	64.3216094970703
2004	67.4757308959961
2005	61.1650466918945
2006	56.5217399597168
2007	61.835750579834
2008	60.5769233703613
2009	60.6635055541992
2010	51.6587677001953
2011	48.8151664733887
2012	48.8151664733887
2013	48.8151664733887
2014	59.0476188659668
2015	60.476188659668
2016	60.476188659668
2017	60.9523811340332
2018	56.6037750244141
2019	54.7169799804688
2020	48.113208770752
2021	48.113208770752
2022	51.4150924682617