Year	annual %
1961	1.4200209088259887
1962	1.4713413265549906
1963	1.470754246317636
1964	1.7262806310773986
1965	1.7756451510830433
1966	1.3292825125062113
1967	1.1572423861266843
1968	1.2387656087063101
1969	1.235974107129658
1970	1.2328041577826934
1971	1.6264297153695637
1972	1.9925581933858623
1973	2.2312668282551567
1974	2.443338847303708
1975	2.4256351222001267
1976	2.4125070070390624
1977	2.4109953980146317
1978	2.414750017619798
1979	2.4076156148490417
1980	2.408446261403278
1981	2.412707949388788
1982	2.415019298526213
1983	2.1115877626527277
1984	1.599896661039325
1985	1.5882767574578844
1986	1.679234308598716
1987	0.7980156687631791
1988	-2.400740825981219
1989	-3.093607274731859
1990	0.06314948610467877
1991	1.4954732158614341
1992	0.8478421466482169
1993	0.384438472496583
1994	2.308556433119771
1995	2.9009138730348236
1996	2.327290856192525
1997	2.6532557032060553
1998	1.799032282179245
1999	2.4581547393645464
2000	4.265499275589809
2001	4.32400055509358
2002	4.305481850446252
2003	4.3225302652806885
2004	4.38079202177871
2005	4.456181410200693
2006	4.515929221635064
2007	4.561762922909526
2008	4.547519947832578
2009	4.314038523254227
2010	4.930209904525911
2011	5.08919129488932
2012	4.153473041141571
2013	3.4670614697401145
2014	0.7021316567297619
2015	-0.4475682985478408
2016	-1.44797924563334
2017	-4.069907807289274
2018	-2.8316299174738564
2019	0.1482813095871166
2020	1.1310343138996224
2021	0.9348554018088768
2022	1.1039261773160696
2023	1.1546603191732698