Year	annual %
1961	3.8447341417408865
1962	6.177930850427458
1963	7.373709248772229
1964	7.939608644806768
1965	6.122798096014421
1966	4.438386089468892
1967	7.196523065141065
1968	4.153372982933462
1969	4.715902867222411
1970	5.248661431182924
1971	4.278934402969824
1972	1.6548297088469894
1973	4.571944746372708
1974	6.111122103721883
1975	1.6954337793109886
1976	2.2498603291933392
1977	-0.09397911612558119
1978	3.014479779129232
1979	3.7905192640578207
1980	6.62058342724157
1981	5.360791059640448
1982	-0.3834191083754348
1983	-1.8465577459506335
1984	5.099151630014774
1985	-1.2115408824038667
1986	0.01784924016521927
1987	2.100729020536747
1988	4.2001096483818685
1989	2.3947951153840563
1990	-0.3177604265403744
1991	-1.0182449675445042
1992	-2.1370328450052085
1993	1.233557938647408
1994	3.20000000297172
1995	3.1000000005441137
1996	4.299999997267918
1997	2.6000000014634708
1998	0.50000000034143
1999	2.3999999974633823
2000	4.2000000006782585
2001	2.7000000001910394
2002	3.700374404066679
2003	2.94907546754213
2004	4.554559907217737
2005	5.277051972954666
2006	5.603806458958886
2007	5.360474053941616
2008	3.1910438863287993
2009	-1.5380891352558308
2010	3.039732881279562
2011	3.1685562785881842
2012	2.396232384657452
2013	2.485468008265883
2014	1.4138264522379274
2015	1.3218622367822945
2016	0.6645523078581164
2017	1.157946951817351
2018	1.5567838472167637
2019	0.2599355768763303
2020	-5.9633581843940675
2021	4.703062064857306
2022	1.9104061700718376
2023	0.6016623031032537