Year	annual %
1971	4.175952175090188
1972	4.21299191664248
1973	4.4833799839594946
1974	1.5625547626413123
1975	1.7153825190725343
1976	4.265435362578529
1977	2.646073176465478
1978	2.3982622220173937
1979	3.210689845607277
1980	1.5852972909797103
1981	0.07714851428988823
1982	0.46730045766405226
1983	0.5788739512549057
1984	1.158050926180266
1985	1.940934313958735
1986	3.3562306027891964
1987	3.2306260501442097
1988	3.05236302178389
1989	3.132967486232573
1990	2.723452908262928
1991	1.699835237088692
1992	1.5816282396416028
1993	-1.0731211793876838
1994	1.4642214941406309
1995	1.6534375716552177
1996	2.1540097442868813
1997	1.856532386211839
1998	3.1179748210132203
1999	3.1411151672421767
2000	2.823703789342403
2001	1.7741614260749543
2002	0.8671988401954849
2003	1.0335468966223686
2004	1.7149480878248795
2005	1.8334352293981908
2006	1.9724168099536143
2007	1.8702991145871408
2008	0.30646129004988154
2009	-1.354551520763664
2010	0.8153706798560876
2011	0.5491480827200803
2012	-0.9648046912500519
2013	-0.8399932588252597
2014	0.8273190200785479
2015	1.8881201715557268
2016	1.9781377068363497
2017	2.058037669936482
2018	1.6922765125842716
2019	1.4440531130852605
2020	-7.183703259007217
2021	4.769796756414053
2022	4.018318755255777
2023	-0.13874844741469872