Year	annual %
1961	4.003501514845723
1962	4.275542293157031
1963	3.4877438644961103
1964	4.318025260526653
1965	4.201472511671781
1966	5.6262471463962385
1967	5.216593957389918
1968	9.820903691177236
1969	14.322477309122121
1970	16.03122107284767
1971	23.343793107152663
1972	21.832197270799085
1973	15.647256058806462
1974	3.398092908466282
1975	3.029226615143372
1976	5.090061019515375
1977	6.3842876212858926
1978	8.622043753935287
1979	6.612578106188721
1980	6.608397371547412
1981	4.163000029051233
1982	7.7510949894576555
1983	9.124415031700721
1984	4.748067812569602
1985	3.4060514579881556
1986	4.452477206875159
1987	8.11408937273535
1988	15.575454175978635
1989	9.550464734950097
1990	3.6047556044133984
1991	4.4145553558750095
1992	0.011375015575950442
1993	-0.9810118104251444
1994	0.7826601202629604
1995	4.2507039534185935
1996	3.2522300174619545
1997	5.838418563200776
1998	-1.7612208482547231
1999	7.342426783072625
2000	-0.10445789094487168
2001	-1.7377322297118383
2002	4.1078298157804625
2003	2.808520639936802
2004	0.9257056882780574
2005	2.6938782370513366
2006	6.347004906711007
2007	3.7340678095605853
2008	1.1769188323962538
2009	-15.89055768753019
2010	7.875871132313691
2011	4.71716586305368
2012	-2.0701741261028133
2013	9.005663889329952
2014	3.6795226120321303
2015	-6.700302341743054
2016	5.051373152732211
2017	1.9719443891535349
2018	2.0813461242524625
2019	1.0416716395978938
2020	-10.402630907344204
2021	10.103693502393995
2022	3.806743238977802
2023	1.0008123947117724