Year	annual %
1967	6.741377065835152
1968	10.832221207369685
1969	7.470259198903406
1970	22.32043828339974
1971	9.118633964975189
1972	15.477414312923358
1973	14.046681268585928
1974	10.657430704588805
1975	-1.6801306733895984
1976	15.393357308953242
1977	7.119929175152052
1978	0.6045152384203334
1979	11.026290133732132
1980	6.240322357101817
1981	0.4283473076853994
1982	-7.763712400510627
1983	-5.330939000297477
1984	1.2812556981497352
1985	-1.2996540437360267
1986	3.3815720368269666
1987	-0.7744365425838851
1988	5.059793309063167
1989	3.547893601054369
1990	9.516644311667719
1991	1.4155042049738285
1992	6.288895024871067
1993	2.594411822590587
1994	3.1690186593355207
1995	2.7168949373878917
1996	4.590736950670646
1997	4.943703768935265
1998	4.8477221647276
1999	1.858835974950395
2000	6.59810073069697
2001	1.6785691403183165
2002	0.6665927596935433
2003	4.871004499780312
2004	8.872880801866657
2005	5.466559184410727
2006	6.1657826580206745
2007	4.494993726659914
2008	5.5507550740526455
2009	0.40920216881710303
2010	4.814570269827229
2011	3.5728769123814175
2012	5.003580086846895
2013	2.5200076571839674
2014	2.3837054422071446
2015	3.3875603071149385
2016	3.609446550861577
2017	1.511283907045069
2018	2.6231570365487613
2019	1.6711108887345318
2020	-5.400979216535589
2021	5.116647028765129
2022	5.793108985016943
2023	0.9297919804631647