Year	annual %
1971	6.027664710826272
1972	5.9010075333810335
1973	4.442997782416683
1974	0.350895658251261
1975	5.178775718636189
1976	5.59379069050982
1977	3.482988318312323
1978	2.797304513389733
1979	5.414651145886822
1980	8.44215010318969
1981	2.8118613769594987
1982	-0.2812171488035631
1983	3.2303320616502447
1984	6.488871719571463
1985	5.205372893436703
1986	-3.1103278447053384
1987	0.3812971555493476
1988	-2.520517735404553
1989	2.0777485708387076
1990	2.618587358768835
1991	2.1599116928878885
1992	2.3796901290256756
1993	2.8684200308129846
1994	4.2096473057688115
1995	4.720741314516658
1996	7.504194151398508
1997	5.929445452850345
1998	-1.0326565800338727
1999	6.475887252686292
2000	14.264639949440422
2001	1.9750376988998113
2002	-1.6257771424069745
2003	1.340401893719573
2004	7.136681659890499
2005	9.95744367004572
2006	6.298731394756757
2007	1.6665428512681046
2008	5.902265269093078
2009	-8.599048563824297
2010	3.6677865503378655
2011	4.598854071560638
2012	3.417370241702301
2013	1.0594495785201303
2014	1.7200081858560452
2015	-2.015762542036441
2016	-2.1886855056981602
2017	3.577315819937212
2018	4.599739172620303
2019	-3.020622577520811
2020	-6.081016993033089
2021	16.440116298082756
2022	26.145088238107533