Year	annual %
1961	3.1624696028032133
1962	1.7342158985779008
1963	0.18766089528597263
1964	2.2209068777917054
1965	2.4088110635932907
1966	1.0365874541949012
1967	-1.5543112890454012
1968	-0.9189585082686449
1969	3.9129498351551604
1970	0.929292135283859
1971	3.6761169554784487
1972	2.8464796309587257
1973	6.192786661435278
1974	6.378566611080586
1975	-3.0064612322714055
1976	3.1143430398181664
1977	7.35636835788857
1978	7.486185320981463
1979	7.945116593586093
1980	9.75581594037456
1981	2.3740916038809843
1982	0.6450839520420288
1983	0.5005694217140331
1984	3.598057972969528
1985	-2.4575139422736783
1986	-12.615839188798901
1987	-0.9599246167462354
1988	8.436252716853971
1989	10.022759962629493
1990	8.71335505636479
1991	6.016831351042711
1992	1.7770496075012971
1993	3.3338490080761574
1994	6.381298403262775
1995	8.617634115041454
1996	4.0129246966886285
1997	1.5604574043672557
1998	-12.546185786043637
1999	0.2934712043790739
2000	10.188602125740886
2001	0.41321271513066904
2002	1.2909329554924227
2003	5.504673202454981
2004	7.27410746821495
2005	6.624841264923532
2006	4.254076080307215
2007	8.066436571332574
2008	6.472621301016289
2009	-1.4164437918093427
2010	4.999403114428858
2011	5.156512810145486
2012	6.606345001899385
2013	5.5598778382395295
2014	5.327864723394242
2015	4.439762581731372
2016	4.3148260636129265
2017	5.405777092330382
2018	6.568617937042248
2019	6.3589883781560985
2020	-5.0904251705497074
2021	0.7352337307447385
2022	9.961335263725275
2023	3.602552850545976