Year	per 1,000 people
2000	4.318
2001	4.301
2002	4.272
2003	4.242
2004	4.244
2005	4.279
2006	4.404
2007	4.646
2008	5.102
2009	5.615
2017	4.732
2018	4.774
2019	4.808
2020	4.776
2021	4.755