Year	annual %
1961	3.2717768389383366
1962	4.199577569613538
1963	3.3926984634500457
1964	4.642426558486875
1965	4.117855660964878
1966	4.920904610792107
1967	3.247762568008028
1968	4.236629235751906
1969	4.826782691316552
1970	6.865034924410679
1971	7.17883799190318
1972	7.1882518645740845
1973	10.620300797478734
1974	15.94511238907188
1975	14.512401859778265
1976	14.019695458172095
1977	11.417653507047461
1978	9.279404771967307
1979	10.070050601390236
1980	13.126499979221776
1981	11.633806430617582
1982	10.509972613903713
1983	8.190430708837624
1984	7.067528952536506
1985	5.453758556903438
1986	5.0551716344616295
1987	5.4405491149796035
1988	6.571206425558131
1989	6.1973879442466
1990	6.092179346705137
1991	7.914058799213855
1992	4.837156063898874
1993	4.856496705280044
1994	3.542425451797122
1995	4.563178841613805
1996	3.9316670143794497
1997	2.769905607821464
1998	2.8322696202358415
1999	2.055811756150568
2000	3.1738644985459104
2001	3.3890667362067006
2002	2.9367232700253396
2003	2.626799712818027
2004	2.9106920173294384
2005	2.7667274978417495
2006	2.842953830215798
2007	3.0220037484221365
2008	3.1362360261907725
2009	1.8078984296154488
2010	1.201369634422072
2011	1.8810654737251937
2012	1.8336644946775706
2013	1.662884215200208
2014	1.3613356559949565
2015	1.3237145324991175
2016	1.0423362497925055
2017	1.7764547871016774
2018	1.96194433504035
2019	2.2125799356316236
2020	1.9102683882393308
2021	2.9720759751698296
2022	6.462419862422706
2023	5.545215593492088