Year	annual %
1961	-0.5387808675790922
1962	3.3325583054227224
1963	-3.501505253019232
1964	-4.390870635642827
1965	-1.2910749588061208
1966	-3.607791478338285
1967	-1.066695173552489
1968	-2.294830139310406
1969	4.848362032526964
1970	-0.14682150099190494
1971	-4.210230681288067
1972	-1.0155903393294494
1973	-10.453215857513626
1974	2.662092417454275
1975	6.780181229555964
1976	1.0280136479056807
1977	0.4135510491268377
1978	-2.1985428600248724
1979	-23.03731947486051
1980	-6.160373559363023
1981	1.0201164303057055
1982	0.478949695996306
1983	10.052228136686665
1984	0.7758583109648498
1985	20.639618517553046
1986	-6.903467406671922
1987	-5.752943884995091
1988	11.645203633642168
1989	1.4152049691573865
1990	-6.751168525384372
1991	4.666821548141797
1992	3.5377767906862942
1993	-17.609865013306347
1994	7.719354653139646
1995	-3.111290586856228
1996	-2.206621114097345
1997	2.100125421249757
1998	3.3689011043054933
1999	-4.07692600748058
2000	-4.2070153698269905
2001	8.001053926786696
2002	4.814041636771506
2003	10.255771176146823
2004	27.831094649408655
2005	12.741160636271928
2006	-2.8531190501440875
2007	-0.16792346689481974
2008	-0.4379004424970674
2009	0.6145013159902106
2010	9.744973036731722
2011	-3.3540746851110157
2012	5.150612145295312
2013	2.006313918483073
2014	3.150988590417853
2015	-0.4530037690603166
2016	-9.16122585564682
2017	-6.1609051354326425
2018	-1.0265268880567646
2019	-0.09895856095990041
2020	-4.66133902000324
2021	-4.2471345954163695
2022	-0.3486737707468279
2023	0.9593677774018232