Year	annual %
1961	-13.282802497970565
1962	-1.9390204414125378
1963	3.7810311370405856
1964	8.128566067653736
1965	8.1178180546313
1966	5.115968895290109
1967	-3.919373083876877
1968	-0.838214279341571
1969	8.425355610924939
1970	10.420773717697244
1971	3.947786876242418
1972	2.3480390704156378
1973	5.7776399585119975
1974	1.653923864304872
1975	4.8190434237794335
1976	1.0711195476137902
1977	5.704806805707591
1978	7.471672913771556
1979	5.3116544701008195
1980	5.86045472709354
1981	3.9371533364415114
1982	4.618907911750796
1983	5.934307635024496
1984	8.221909866151677
1985	6.1847148723202565
1986	5.353491292553642
1987	7.299844102963789
1988	7.858827733426722
1989	4.005550313009891
1990	3.4715133929140762
1991	6.364990940033437
1992	9.607617716433808
1993	9.756253471690172
1994	9.463905273727093
1995	8.471636914624696
1996	7.711630741534606
1997	6.039280579363577
1998	1.7047775752812413
1999	5.242052244177444
2000	6.580618218389887
2001	5.982306933521812
2002	7.104118786433929
2003	8.024262364472534
2004	8.232751895568668
2005	9.094090315664701
2006	10.210798002673442
2007	11.63498957232656
2008	7.80631330454284
2009	7.196534202834442
2010	9.131851952878819
2011	7.817223750348504
2012	6.6666214060810915
2013	6.405243984913739
2014	6.132535697799341
2015	5.900612303881232
2016	5.769270768962272
2017	5.900233393906063
2018	5.833026226569558
2019	5.185931294301753
2020	0.7691617361632836
2021	7.236406918172108
2022	3.1472667601520214
2023	4.844061853847265