Year	Number
1996	53.0054626464844
1998	53.0054626464844
2000	52.4590148925781
2002	57.2972984313965
2003	57.8378372192383
2004	38.8059692382813
2005	49.5098037719727
2006	36.0975608825684
2007	39.3203887939453
2008	39.3203887939453
2009	42.5837326049805
2010	40.6698570251465
2011	42.6540298461914
2012	41.2322273254395
2013	37.9146919250488
2014	27.884614944458
2015	22.8571434020996
2016	19.5238094329834
2017	18.5714282989502
2018	17.1428565979004
2019	15.7142858505249
2020	16.1904754638672
2021	15.2380952835083
2022	17.4528293609619