Year	annual %
1971	6.389559268024087
1972	18.737611769369686
1973	2.9120451088771007
1974	-1.8113329969000072
1975	28.451329870225223
1976	15.151688363651953
1977	11.398327169839419
1978	19.619682065792553
1979	14.920049544138053
1980	6.1191247974068075
1981	7.793754915960932
1982	-3.356546257004612
1983	-4.443662539675559
1984	13.854261714200225
1985	19.402090113383835
1986	28.06453251791721
1987	11.719916969999746
1988	22.365655011930823
1989	6.679731315188943
1990	9.526672628831093
1991	5.377827186785359
1992	6.6274522122920825
1993	23.240261318524304
1994	12.453060972427243
1995	10.495652381871874
1996	9.94259127649685
1997	10.05550276030767
1998	12.277475066879582
1999	13.824355446619538
2000	13.804703073067525
2001	11.029613868985226
2002	10.538083050314889
2003	6.095721104331218
2004	20.222472926987596
2005	-6.247777726479583
2006	2.289176188786195
2007	12.174012141844397
2008	5.093400754407665
2009	3.3374713535831315
2010	3.154720515968512
2011	0.3619600118725989
2012	-4.99294656724075
2013	3.7667138617537397
2014	6.165865622162136
2015	7.322879905693778
2016	4.48198505962144
2017	3.091291495668502
2018	9.246219978047405
2019	-2.029600340054184
2020	-1.206664868099814
2021	8.495675058763927
2022	9.88630030468946
2023	1.3612796098639985