Year	annual %
1971	11.719226297236432
1972	0.023486555772706197
1973	5.6742619629537785
1974	-12.236147265242863
1975	-5.6772954062843155
1976	7.335881428775394
1977	-2.1525426229376308
1978	5.1834858071075445
1979	9.890830518348864
1980	-6.998576581841249
1981	-9.73251955349204
1982	-1.372968382259046
1983	0.3955424501678806
1984	1.3877652313545923
1985	4.083004639001842
1986	5.600972991081491
1987	0.23727025130727952
1988	-1.8419406850623545
1989	3.4392212197725343
1990	-4.5919381723014965
1991	-2.598264848720916
1992	-0.84534085218705
1993	3.1504906194522277
1994	-3.5245219581507996
1995	5.5788632729219785
1996	6.080571345494846
1997	-0.3881330391617013
1998	1.1513274102432831
1999	1.1613984860918265
2000	4.066718656009201
2001	6.509151449311659
2002	5.029244977616472
2003	4.757964876883889
2004	2.7402979641130116
2005	6.326566544957373
2006	1.7260341177601504
2007	-0.09379093995255516
2008	2.8493052505365313
2009	-1.2568161791477763
2010	5.309181062354071
2011	2.9610631064842323
2012	-4.593625702329092
2013	-0.80145757900614
2014	-0.24710667581955192
2015	2.9249620478443887
2016	6.947334634108927
2017	0.38748210550791384
2018	-1.59122287483045
2019	3.365466915505081
2020	-4.471685198608171
2021	-8.70776752907149
2022	-6.846891485710884
2023	6.413358166217819