Year	annual %
1961	4.835470972535276
1962	4.843703969265633
1963	3.9937342012919714
1964	4.959660011636544
1965	4.122575798591967
1966	3.5405263694417357
1967	2.7166516469166737
1968	4.926471016689618
1969	6.392596728317756
1970	5.005567731872091
1971	3.1898173140922665
1972	4.181473813575607
1973	5.483264716414979
1974	2.640393123940754
1975	-1.267088943844925
1976	4.570806197934701
1977	2.6697649458640456
1978	2.6919410750531654
1979	3.4344755098074415
1980	1.7063765614712167
1981	0.1240988843866262
1982	0.42085386419586257
1983	1.1805500400475069
1984	2.209743730233413
1985	2.1210266674362543
1986	2.2571485746618407
1987	2.256474004672043
1988	3.9655858436286735
1989	3.6657553895596635
1990	3.140076290959229
1991	1.8173313933398134
1992	0.6838541888108125
1993	-1.1425285187937533
1994	2.137339073139529
1995	2.191009562442588
1996	1.46748615861965
1997	2.4869782069906847
1998	2.8194935937264347
1999	2.6930744989296187
2000	3.539777611517181
2001	1.8649506892302696
2002	0.4733531968264231
2003	0.16454452140017395
2004	1.747705698632629
2005	1.1742188711551904
2006	2.7644190512090603
2007	2.4852651992685963
2008	-0.05839485477277151
2009	-4.838471568953054
2010	1.9293596904379768
2011	1.937377231929304
2012	-1.0625934954617122
2013	-0.5503717819097034
2014	1.0607584351513708
2015	1.7595867767754783
2016	1.5804432052056683
2017	2.4245187511000523
2018	1.5588677958907908
2019	1.4834212836300367
2020	-6.2299857280115845
2021	5.968884982045637
2022	3.013822428468572
2023	-0.13396936550513772