Year	annual %
1971	5.4455441862042875
1972	6.786658893773364
1973	15.997451187275885
1974	25.377150004666134
1975	12.081807361977958
1976	7.995647654906051
1977	9.653309091674515
1978	7.908481530792628
1979	13.136704979579264
1980	18.288010784912757
1981	9.470476914151234
1982	6.693828329095396
1983	6.150819901624224
1984	6.1059302896038545
1985	5.026685956232917
1986	4.660387029452707
1987	6.9631790098888615
1988	3.928752535258724
1989	6.1960491776423865
1990	8.409963766291312
1991	10.624023164388461
1992	9.40370611580596
1993	10.43557217032128
1994	13.267802451545904
1995	9.970662678668702
1996	6.582144080198795
1997	5.504051699609313
1998	6.360142576402339
1999	5.734702829404654
2000	6.123362842105436
2001	4.1525582316937815
2002	4.087430279311377
2003	5.211576303485543
2004	6.810343799631141
2005	6.7710612487831625
2006	7.0943366244417945
2007	6.882725075907359
2008	8.286949380328757
2009	1.7649920660724803
2010	5.737899307655304
2011	4.582169601296343
2012	3.591473894843787
2013	2.0786989363386823
2014	1.9992257907291062
2015	1.9904826579852326
2016	1.7388979471116386
2017	3.5244778000523738
2018	3.226106404660726
2019	2.438814963899489
2020	1.4674781481081425
2021	5.707515693654258
2022	8.711597239753345
2023	4.553082811339948