Year	annual %
1961	1.7357564021226892
1962	-1.6091119090289254
1963	-14.521497571291121
1964	8.689205959011389
1965	8.118391018163692
1966	3.1652315203881045
1967	2.4866840116608273
1968	-0.5693005009416368
1969	5.452012204549959
1970	2.874472437213484
1971	1.86449760623357
1972	-4.4010040956949155
1973	0.15287745549747456
1974	6.558799946913126
1975	7.335175436504841
1976	0.4639450329226378
1977	-3.6393026520896967
1978	-2.7299867617685862
1979	-2.5800892301187304
1980	1.250959145124341
1981	1.2996006227129868
1982	-13.18490121553576
1983	-6.6406674007994155
1984	-4.739298419240299
1985	2.8417770890083176
1986	-0.363781810050142
1987	1.533827778872137
1988	-3.026136713360202
1989	-4.215378507496865
1990	-2.3174446821139725
1991	6.488314347746609
1992	7.62741883123779
1993	7.857901069346568
1994	8.191135345239715
1995	4.73201103362328
1996	7.685904878326582
1997	5.950085955505898
1998	-1.872186862681147
1999	2.7812652391111783
2000	-1.4985586626453795
2001	2.17748565093585
2002	1.064258426177119
2003	-0.6634508480345573
2004	1.5817835940800506
2005	-1.858678754935525
2006	5.315645838960023
2007	7.452795433379663
2008	2.0751354960645045
2009	4.010365432779352
2010	4.6015377876125
2011	5.719525982773959
2012	5.313688444997425
2013	3.1743781661838
2014	1.1862626654578463
2015	0.16518513687935865
2016	3.25278592612473
2017	3.1684214177762016
2018	1.4809865147134218
2019	3.606660366262332
2020	43.75879920997221
2021	18.908981748635227
2022	62.599349289827614
2023	32.18200727768803