Year	per 100 people
2003	2.097828747
2004	3.698484171
2005	4.134472008
2006	4.940084783
2007	5.264717503
2008	15.96091205
2009	17.53380554
2010	18.95722602
2011	20.11939931
2012	29.88651455
2013	30.73756948
2014	35.04148073
2015	34.67679476
2016	35.46728143
2017	30.83157153
2018	31.7894367
2019	32.42144069
2020	32.34628165
2021	35.55977005
2022	36.24480095