Year	annual %
1961	2.980454886698027
1962	4.094787904096037
1963	3.664584647821357
1964	5.022592245411886
1965	4.095455594072632
1966	4.2547980731689705
1967	2.580419174645357
1968	4.717078234700665
1969	4.316834272239035
1970	1.618193378134663
1971	2.421520107861028
1972	4.168669235612526
1973	4.8656429638695755
1974	-0.0024754573955476644
1975	-0.9183916890203108
1976	3.71857626115235
1977	2.7535870138096783
1978	3.38531957875972
1979	2.9070703878310695
1980	0.30295661975692667
1981	1.2279822000331677
1982	-0.6881096335235952
1983	2.034123917048447
1984	3.9132231817977896
1985	2.908533999329393
1986	2.222503795915756
1987	2.7363171042943435
1988	3.7091000075175344
1989	2.926286796051585
1990	2.0369161599057577
1991	0.15052643257564569
1992	1.123953154180839
1993	0.4865677523766294
1994	2.3526059491010898
1995	1.8405828035676706
1996	2.294114795212934
1997	2.826597652166967
1998	2.2663167001298206
1999	2.658635871730681
2000	3.3423215269446445
2001	0.6561080705238709
2002	0.7772301239889572
2003	1.282525969729022
2004	2.507931454481266
2005	2.0809482214390016
2006	2.2705590557756636
2007	1.8444626042751082
2008	-0.3781657241169256
2009	-4.068722822753841
2010	2.2947892240544405
2011	1.357048815747504
2012	0.7780968662164156
2013	0.980281935729522
2014	1.5250194616215822
2015	1.8668039874276445
2016	1.2065824491091348
2017	1.971064659491816
2018	1.7412779231219702
2019	1.2621759745492085
2020	-4.477245182337285
2021	5.524312098406739
2022	2.3684712147927343
2023	1.1130744219165507