Year	annual %
1961	0.6028429377442848
1962	3.147644957816368
1963	3.2098383661011525
1964	4.8393170253337985
1965	1.5772241433965775
1966	1.9090144325076608
1967	4.573629742600076
1968	1.8636858324001508
1969	1.6517228987989085
1970	0.6718006851906608
1971	2.029823457211137
1972	0.7709800493076386
1973	5.992569432318362
1974	4.919931512576369
1975	-3.309563855013394
1976	-2.4820833093606893
1977	-1.7469813356128867
1978	0.8144731442423279
1979	2.1277172595760305
1980	5.871028976301787
1981	-0.7660034026908278
1982	-4.2381995736378855
1983	-4.186328213085773
1984	3.1449185075707646
1985	-3.6773942887656403
1986	-2.498119215817681
1987	-0.37792977988978294
1988	0.16492145484387777
1989	-2.1717805765705407
1990	-4.163560513736854
1991	-3.2977391990847593
1992	-4.223855136163962
1993	-0.362930063550408
1994	1.6214439952378967
1995	0.447776746645161
1996	3.644215996395147
1997	0.9143307507972338
1998	-1.1362137807179806
1999	0.2404812492116264
2000	2.5808428649540787
2001	1.6186715421589497
2002	3.94979168113278
2003	2.260334224150796
2004	4.784901575708346
2005	4.6313975059867545
2006	5.775595818275448
2007	3.7236296579754367
2008	2.9108924651166888
2009	-0.2763762604560327
2010	3.361446973077477
2011	3.298595796107577
2012	-0.3804509667713347
2013	0.7104143282496977
2014	-0.7513458586724084
2015	-0.12772516919397958
2016	-0.13266707878767647
2017	1.6599081477657478
2018	-0.16385761797619125
2019	0.3074641110807619
2020	-4.612007389438105
2021	4.983642225442125
2022	-0.5903147071928885
2023	-0.9091811806610224