Year	annual %
1971	5.7996483478307965
1972	5.211399743082822
1973	13.980099679576057
1974	24.68541634813532
1975	15.905799428958133
1976	10.32237193290672
1977	11.297603032167686
1978	7.68712134418432
1979	13.512227826383636
1980	24.158081473748155
1981	18.911765056462855
1982	13.723994150440433
1983	-3.6899671582767013
1984	-0.41848006761956924
1985	-1.8249945256708031
1986	-17.392650306292083
1987	0.6590484705591564
1988	2.0094277033154526
1989	3.9746603649988117
1990	4.826695566704188
1991	-1.8825239951494694
1992	-3.532652872215067
1993	-3.025814767871651
1994	7.3311874440329206
1995	1.0906701752885652
1996	0.19672000052604233
1997	0.9317163586234187
1998	-7.057411077734386
1999	2.656436439825825
2000	14.322523390465264
2001	-3.3638279199769983
2002	3.4143495556308636
2003	8.602580617836225
2004	10.991084622511039
2005	13.734967826337183
2006	8.842436715577293
2007	8.43563269466982
2008	11.365091922974841
2009	-12.99394121038145
2010	7.441125966257658
2011	9.736753495957402
2012	3.0147658518398828
2013	0.3841400108089772
2014	-1.6708830042604745
2015	-9.369332141017253
2016	0.13388487659263149
2017	5.807241322005652
2018	4.3255600187810614
2019	0.08326178033892973
2020	-6.067076928676741
2021	10.614187428218443
2022	7.699067358013977
2023	-5.011919018027456