Year	annual %
1961	-1.0149975725171743
1962	5.3323368741413475
1963	2.236631336866182
1964	6.836068175039173
1965	7.161982014511082
1966	1.4088703878388174
1967	4.0937741009248185
1968	5.316671612646772
1969	5.204137216310727
1970	4.833288527583008
1971	3.083858424616963
1972	2.492243201760047
1973	4.575448997060903
1974	2.6312653559611903
1975	-0.8854179958818804
1976	3.6395444968410544
1977	1.9126359572889413
1978	2.066333139784817
1979	1.31240529687868
1980	0.5431280270641707
1981	-1.4619530323131187
1982	-1.6925900898913824
1983	1.6836185500993963
1984	2.6534039974745838
1985	2.1029348128396776
1986	2.2181313568390806
1987	1.286515180581361
1988	2.7750434330549467
1989	3.795569306030373
1990	3.4682777247539605
1991	1.6350545971285158
1992	0.9400149994731777
1993	0.5542496242233312
1994	2.3421682698805597
1995	2.607973421419544
1996	3.0223033050510253
1997	3.793381777240313
1998	4.02050284147451
1999	4.3373744464788615
2000	3.4535382560578114
2001	1.5574581294935257
2002	-0.4203677399406587
2003	-0.315789835146461
2004	1.6311880702255905
2005	1.8126991927321967
2006	3.2949498403695827
2007	3.5473594981308025
2008	1.773356663747677
2009	-4.161038495408064
2010	0.8242598528199068
2011	1.0786282739109367
2012	-1.3959193357790838
2013	-0.4241786935326104
2014	1.0591012542706864
2015	1.5082661839127098
2016	1.6493155465206826
2017	2.304284732593146
2018	1.7649372641622278
2019	1.289889121062231
2020	-4.418555509247341
2021	5.637405329282558
2022	3.339098098605774
2023	-0.8835338712329133