Year	annual %
1961	2.5839262757906027
1962	3.4859058563881717
1963	2.829386315572677
1964	4.392700663982652
1965	3.445832381652238
1966	3.2583463669758004
1967	1.6453468005460934
1968	3.7776395353035923
1969	3.7973326103114715
1970	1.6094967855730289
1971	2.15561750664088
1972	3.5574668015721898
1973	4.333917113399252
1974	-0.020871500779946928
1975	-1.3045142741272713
1976	3.358526396645871
1977	2.223684224246341
1978	2.294271122503062
1979	2.3699360192517247
1980	0.12451271457238988
1981	0.15489808805395455
1982	-1.4857460950245525
1983	0.7866620814032785
1984	2.878639732519318
1985	1.918721321696836
1986	1.5520835439601939
1987	1.9020590966322288
1988	2.7693846754176548
1989	1.9391399294979976
1990	1.0015778530926553
1991	-0.42108156143424935
1992	0.3849650907125266
1993	0.22880367581883831
1994	1.7595737594853205
1995	1.5601404287064895
1996	2.0625801379028843
1997	2.4406174505776193
1998	1.4146875070465654
1999	2.1394678719547358
2000	3.1355879743987174
2001	0.6810801380108984
2002	0.976310173482247
2003	1.7922623876471562
2004	3.154465491148642
2005	2.7082753591129745
2006	3.1461377430734387
2007	3.0926737969560065
2008	0.8044170094400727
2009	-2.5618556367753627
2010	3.265482917959517
2011	2.095319644561357
2012	1.45150874439625
2013	1.6156754215343625
2014	1.8858414464197182
2015	1.9151472566455396
2016	1.6304463869431913
2017	2.283866696131767
2018	2.1532273530779094
2019	1.561181075862578
2020	-3.906872232767327
2021	5.348078919955881
2022	2.2776108845975642
2023	1.779798699901363