Year	annual %
1961	5.747169099181519
1962	5.760932491689587
1963	4.909003592316097
1964	5.884247755052144
1965	5.048118546647061
1966	4.412751218163564
1967	3.4782916353297395
1968	5.660214180434849
1969	7.133213646317742
1970	5.5970313203601165
1971	3.7729249634235913
1972	4.891220984715332
1973	6.151630670512475
1974	3.2136937425455585
1975	-0.7726204874731906
1976	5.027157703920466
1977	3.0856041868973847
1978	3.123535656201497
1979	3.873484582625892
1980	2.159313548656911
1981	0.5238522049743892
1982	0.7126914810248621
1983	1.3902131482872164
1984	2.378663557214594
1985	2.312855349936683
1986	2.5076324941923502
1987	2.533487567243924
1988	4.30588224473145
1989	4.099524447369831
1990	3.603655407520506
1991	2.3138993178219778
1992	1.1073393013989232
1993	-0.7363079862799395
1994	2.446993828219533
1995	2.4404951373808785
1996	1.7070865053877498
1997	2.7214161253731532
1998	3.0327345741629728
1999	2.948611733386059
2000	3.861178194187815
2001	2.199225064820027
2002	0.9595417999608316
2003	0.7026673092139077
2004	2.3018988750084617
2005	1.6929437164033772
2006	3.2391960231121146
2007	3.011154804475936
2008	0.4247219524801835
2009	-4.534148008444859
2010	2.1646903998934164
2011	1.7145972058323338
2012	-0.8506592623294722
2013	-0.21917174725787447
2014	1.3982785132259608
2015	2.054408867748748
2016	1.8657863212817176
2017	2.628609570241906
2018	1.7889352603916535
2019	1.5904260702233302
2020	-6.110069170478056
2021	5.963336415985495
2022	3.426121238951964
2023	0.4468370459013329