Year	Number
1996	49
1998	52.7363166809082
2000	47.2636833190918
2002	42.7860679626465
2003	32.3383102416992
2004	39.9038467407227
2005	33.6538467407227
2006	31.25
2007	32.6923065185547
2008	29.3269233703613
2009	29.8578205108643
2010	30.8056869506836
2011	30.5164318084717
2012	34.2723007202148
2013	30.5164318084717
2014	31.5270938873291
2015	31.0344829559326
2016	32.5123138427734
2017	32.019702911377
2018	32.5242729187012
2019	34.2995185852051
2020	34.7826080322266
2021	34.2995185852051
2022	36.7149772644043