Year	annual %
1971	4.456120106963056
1972	4.399737377682641
1973	4.531452153732204
1974	1.6852548316261533
1975	1.7617939130993818
1976	4.3156252255576675
1977	2.918369184695237
1978	2.6060233281096004
1979	3.34990596308495
1980	1.807740831346777
1981	0.09326292493521748
1982	0.4724525760981777
1983	0.7045041161792795
1984	1.133940116887075
1985	1.9337184159089702
1986	3.2710358574604186
1987	3.3280811704050848
1988	3.169694405743769
1989	3.244974901654956
1990	2.757735630755235
1991	2.2239529139334024
1992	1.559535563888545
1993	-1.1687592266804927
1994	1.2943250132582165
1995	1.536025086690131
1996	1.845753451145697
1997	1.7801830952173958
1998	3.030879899103155
1999	3.076940012041817
2000	2.624664217848931
2001	1.5293455449947544
2002	0.3301826813040236
2003	0.6501956407928731
2004	1.2140870379169826
2005	1.472702185544648
2006	1.5781347653283717
2007	1.3119795776416368
2008	-0.21318737151693767
2009	-1.4705235172384619
2010	0.6547682921516724
2011	0.38111858390787745
2012	-1.2299851822622543
2013	-0.9867534364411341
2014	0.5272422543467883
2015	1.569192214031645
2016	1.7218037733337042
2017	1.601053517203738
2018	1.2641601376592604
2019	1.242480141929562
2020	-7.861203091828614
2021	4.4255400076457505
2022	3.7733554003575875
2023	-0.08994233252452943