Year	annual %
1961	-0.37128872313326156
1962	1.5647847068985357
1963	2.2391978553827414
1964	5.240704989403781
1965	3.5183718479190134
1966	2.3284099140884678
1967	0.7215278931627154
1968	3.5178375832431357
1969	5.468512346565404
1970	5.270590748478824
1971	3.604553452946078
1972	3.6745478457841187
1973	4.390741477213439
1974	3.6239731241388
1975	2.0188682355085916
1976	4.027340080557721
1977	2.4420880608317077
1978	1.5740403261837344
1979	2.43899758113011
1980	2.595024345675313
1981	-0.17968489711648772
1982	0.658742648850648
1983	-0.5119672248240192
1984	2.5045512173633426
1985	2.2992454820328874
1986	1.5447064298133029
1987	2.4815291867737983
1988	1.9479187790552714
1989	0.9960340425754737
1990	1.041180148978242
1991	0.8473151337141616
1992	2.314428189080502
1993	3.124827709283551
1994	3.27020499870963
1995	2.775535807563841
1996	4.41735107592352
1997	3.8790882310678114
1998	1.6210209671108515
1999	2.001482837212663
2000	3.8922710537333103
2001	2.044130238187705
2002	3.156396788184182
2003	4.309230391794628
2004	6.104759255037635
2005	5.789137305190948
2006	6.701211566729114
2007	7.353109904631694
2008	4.478220143665766
2009	2.5637090040551556
2010	6.682876225596914
2011	4.913109227451898
2012	4.00972449050218
2013	4.149858068583768
2014	3.735112725814588
2015	3.351340486524677
2016	3.3977095730151916
2017	3.9752348481807616
2018	3.6662632051909867
2019	2.8151577490497743
2020	-2.3362428215227453
2021	6.279029377918135
2022	2.9015340030807977
2023	3.476223846585171