Year	annual %
1981	12.1673943487938
1982	10.8257491675687
1983	9.3554650798615
1984	8.36442411829966
1985	6.90605782140467
1986	6.18477854456934
1987	6.98252965219676
1988	8.634049191851549
1989	7.647106912562365
1990	8.215535847470921
1991	9.00000000000003
1992	9.48654250617163
1993	6.98459920920476
1994	15.014581207370501
1995	9.82569652824308
1996	7.30150916979993
1997	6.5054871826909
1998	5.9765085214186
1999	4.142654276831095
2000	3.82260088086307
2001	4.3906507994420405
2002	3.75017465778466
2003	5.30238773219936
2004	4.31933677434786
2005	6.809630794605925
2006	6.1950746729969755
2007	6.67600063284117
2008	10.68773201535525
2009	4.36112219119802
2010	3.9864740829269296
2011	6.3017739342236645
2012	5.71384434191053
2013	4.88516387595471
2014	3.51695551369241
2015	2.917033247004115
2016	3.205224345597455
2017	3.73888388490667
2018	3.01748181031406
2019	2.68537355266787
2020	3.46841177951184
2021	4.14968003360264
2022	8.21619710967436
2023	6.66325180347457