Year	annual %
1967	19.577308120133484
1968	32.372093023255815
1969	7.449051300070273
1970	15.434924787442771
1971	18.356940509915017
1972	14.98324557204404
1973	2.443796835970025
1974	20.120290974113058
1975	17.02753907571554
1976	12.90798184498858
1977	9.985661614092585
1978	24.059502746996927
1979	26.541066971908954
1980	14.132127233632385
1981	14.624829467939973
1982	8.754151505877285
1983	11.225298090552823
1984	7.4207695335195005
1985	9.127389146231888
1986	7.841977361386456
1987	18.012542066327665
1988	11.103852869866714
1989	2.679722303882771
1990	13.553274897590628
1991	-0.7340961986035687
1992	5.327608608579272
1993	3.5838670333390525
1994	7.554586521371233
1995	4.754927466855371
1996	17.944988834052563
1997	6.147538222075481
1998	7.936774951200546
1999	7.132334130225747
2000	9.59827187738454
2001	34.2277764560037
2002	15.374797001594134
2003	4.616763181424403
2004	11.729188092009963
2005	16.885769824085667
2006	5.345196707678156
2007	20.91231072313792
2008	1.1540073276111538
2009	0.5730209330073734
2013	3.7587147379968004
2014	3.1682328318262982
2015	6.121645791837917
2016	4.152880717121999
2017	1.215054597070565
2018	-0.1286688516609851
2019	2.96304016937077
2020	7.257790560698756
2021	5.970572924402991
2022	5.345529507300913
2023	0.9377682867141351