Year	annual %
1971	5.982154689614845
1972	6.847004236868969
1973	7.767547813520778
1974	11.364642549913697
1975	13.656859802105046
1976	10.79745928028035
1977	8.801198520383252
1978	9.168947985360077
1979	10.097875368572247
1980	11.263480547319688
1981	11.441115812072809
1982	11.98808178726918
1983	9.517210862617816
1984	7.277777071417077
1985	5.526820142826509
1986	5.279025173286271
1987	2.777987884125352
1988	3.0750838063822385
1989	3.3050904681662985
1990	2.641932355121824
1991	2.541939932051875
1992	2.133450095695565
1993	1.552855993087121
1994	1.3448075238491128
1995	1.3079266509205496
1996	1.6044436510833862
1997	1.0133424852663495
1998	0.9009125138802716
1999	0.04727127072345638
2000	1.3985763363833428
2001	1.648844923874961
2002	2.3792227674043005
2003	1.88128364675633
2004	-0.24125359572286698
2005	2.0541668182584516
2006	2.169713239547349
2007	2.555692342244555
2008	2.370623518184331
2009	0.11616970124154591
2010	1.0694615525414406
2011	0.9480180335534669
2012	1.1615669486185567
2013	0.7783550830026087
2014	0.5773905996758515
2015	1.137972437769946
2016	0.5217416652238
2017	0.5228889608834635
2018	0.9934259213932677
2019	1.2773641379949794
2020	2.839093711391527
2021	1.4239359979384574
2022	2.948120816295969