Year	annual %
1971	3.2945471720235275
1972	2.725028046026722
1973	5.079183642329156
1974	2.4736416438619244
1975	-0.28780543615086174
1976	3.9626733346531466
1977	2.5448976295537022
1978	2.257933635504955
1979	6.45139256854381
1980	5.77339166448283
1981	1.4862654244888915
1982	0.9026311778212772
1983	-0.21553526575489457
1984	2.9282701879357944
1985	2.837280427203723
1986	4.0584548722786025
1987	3.630368691682179
1988	4.03799384425821
1989	3.891536306859365
1990	1.9592846060070457
1991	2.607512413383702
1992	1.656195174189051
1993	-3.099297429220428
1994	1.5105791256573298
1995	1.5254410763392485
1996	1.0205298744617721
1997	3.433434985535058
1998	3.3361322503331365
1999	2.734179156099728
2000	2.613266293208156
2001	0.5876545931398311
2002	-0.19094478321898123
2003	0.2284372936568957
2004	0.320234584553063
2005	0.8896665619513726
2006	1.0389680235835215
2007	0.6774587493845132
2008	-1.78491250682778
2009	-1.949564038461034
2010	0.7399474916702502
2011	-0.10716492228999641
2012	-3.9739702160838277
2013	-3.5685104048899916
2014	-0.740247940779625
2015	1.930353086080288
2016	1.419086534451381
2017	1.6909274556654594
2018	1.1257437175222975
2019	1.3690070779584005
2020	-9.974018655943567
2021	6.013491451807255
2022	5.244024627600055
2023	1.44984648531738