Year	Number
1996	13.4408597946167
1998	6.95187187194824
2000	4.78723382949829
2002	2.11640214920044
2003	11.640212059021
2004	18.2266006469727
2005	11.2195119857788
2006	20.9756088256836
2007	27.6699028015137
2008	24.2718448638916
2009	20.0956935882568
2010	18.0952377319336
2011	20.3791465759277
2012	11.8483409881592
2013	15.1658763885498
2014	15.384614944458
2015	22.380952835083
2016	22.8571434020996
2017	19.5238094329834
2018	29.0476188659668
2019	30.9523811340332
2020	44.2857131958008
2021	37.1428565979004
2022	40.0943412780762