Year	Number
1996	78.1420745849609
1998	75.4098358154297
2000	69.3989105224609
2002	72.9729766845703
2003	67.0270233154297
2004	62.6865653991699
2005	68.6274490356445
2006	52.6829261779785
2007	53.8834953308105
2008	56.7961158752441
2009	52.6315803527832
2010	49.2822952270508
2011	50.2369651794434
2012	54.028434753418
2013	52.6066360473633
2014	48.5576934814453
2015	48.0952377319336
2016	46.6666679382324
2017	30.4761905670166
2018	22.8571434020996
2019	25.238094329834
2020	17.1428565979004
2021	16.1904754638672
2022	12.7358493804932