Year	Number
1996	76.6304321289063
1998	72.2826080322266
2000	76.0869598388672
2002	72.4324340820313
2003	77.2972946166992
2004	78.1094512939453
2005	78.4313735961914
2006	73.529411315918
2007	73.7864074707031
2008	73.7864074707031
2009	73.2057418823242
2010	70.8134002685547
2011	70.1421813964844
2012	67.7725143432617
2013	67.2985763549805
2014	53.3653831481934
2015	57.1428565979004
2016	55.7142868041992
2017	56.1904754638672
2018	54.761905670166
2019	57.6190490722656
2020	56.1904754638672
2021	57.6190490722656
2022	58.9622650146484