Year	annual %
1961	3.197575176071666
1962	4.308969389664114
1963	3.7881279694219216
1964	5.11454591408193
1965	4.310842480474804
1966	4.449694052936849
1967	2.814691994343235
1968	4.887740898782852
1969	4.610034329693647
1970	2.052594993157882
1971	2.8388397075254517
1972	4.534062517175741
1973	5.346924531806053
1974	0.24825938648579893
1975	-1.0653276781887655
1976	4.141735704158549
1977	3.0656550858599587
1978	3.3354749999918454
1979	3.243401367690254
1980	0.48597748532475293
1981	1.1349044604607172
1982	-0.97875491619061
1983	2.106990445165067
1984	3.9930384251092335
1985	2.8574043302439804
1986	2.5878572367469985
1987	2.81677216839509
1988	3.998607957775093
1989	3.1414630664077947
1990	2.037628940936713
1991	0.1658171765025287
1992	0.777007353288738
1993	0.3869229991659182
1994	2.2535554886578666
1995	2.115740650139088
1996	2.3121366857156147
1997	2.907285886223974
1998	2.185837913835968
1999	3.0004955081185614
2000	3.7576995585573343
2001	1.1045041542882217
2002	1.1424891618690083
2003	1.8147091426590265
2004	2.9950307417613544
2005	2.4306471294101897
2006	2.5830082384500344
2007	2.1489104148620015
2008	-0.05177133684594537
2009	-4.010345403557167
2010	2.474758269919363
2011	1.6256965399638261
2012	0.9525948337220314
2013	1.058963589078715
2014	1.5956085660209425
2015	1.7914732399577673
2016	1.295919498229864
2017	1.9993985659226183
2018	1.9242432131648854
2019	1.4633593015310993
2020	-4.244070251770211
2021	5.6591441097962445
2022	2.4227701923670963
2023	1.1311573764901937