Year	annual %
1961	-2.143064695519243
1962	4.998781049087995
1963	2.7864343321750766
1964	1.810403825890944
1965	2.2347190314758336
1966	1.9610595465937735
1967	2.4739503731444614
1968	1.2329086082963414
1969	2.1192291346285685
1970	-1.7240543000121278
1971	2.486574869723057
1972	-0.07906174506150876
1973	1.6263606033998457
1974	2.4102883299753586
1975	-1.5121380461015121
1976	-0.5773933304101604
1977	-1.6937158875221456
1978	-1.4521913716583015
1979	-0.2195375983975083
1980	2.420181835058628
1981	0.9701455694318923
1982	-2.725837104802281
1983	-2.902709449483396
1984	0.4153012320721672
1985	-2.996818546152923
1986	-0.7391904396951645
1987	0.8749030680548913
1988	1.3146936077179134
1989	-0.1429793252638376
1990	-2.6517880753357304
1991	-2.8067434460086673
1992	-4.860773571966391
1993	-3.165940154938042
1994	-0.702531255290836
1995	1.6136926483901988
1996	2.6892498787471055
1997	1.2267388486750832
1998	-0.7377280617828745
1999	0.09389322496635089
2000	0.6202003839191832
2001	0.8969553482862267
2002	1.2036734090306709
2003	0.336823623736322
2004	2.837348135259859
2005	3.4077358028933133
2006	3.773104142421886
2007	3.795225659737028
2008	1.5620774096793753
2009	-1.8251183272685978
2010	2.4093993038876107
2011	1.2953654260238636
2012	-0.957943111377304
2013	1.430370993398384
2014	1.1755695518992155
2015	0.2032888173362437
2016	-0.5301153615645262
2017	-0.004161345532025962
2018	-0.006479140548961482
2019	-0.4887229065478067
2020	-5.316185065490714
2021	1.8418817434488517
2022	0.9855946759594616
2023	0.08848365428725913