Year	annual %
1971	-2.290060343766257
1972	12.07922684943621
1973	20.909882916898795
1974	45.30275362414443
1975	5.344419884288783
1976	-26.768232519017772
1977	-4.612629567007005
1978	1.0595933395932633
1979	-11.5849942255917
1980	-16.507732350010883
1981	5.479452054794521
1982	-0.6493506493506374
1983	-9.803921568627445
1984	13.768115942028984
1985	-13.375796178343947
1986	-2.205882352941174
1987	1.503759398496257
1988	21.48148148148148
1989	-7.317073170731703
1990	-5.921052631578945
1991	-5.5944055944056
1992	23.703703703703695
1993	0
1994	1.7964071856287518
1995	2.941176470588232
1996	0
1997	1.1428571428571388
1998	3.9548022598870034
1999	-3.8043478260869534
2000	6.779661016949163
2001	-3.1746031746031775
2002	1.639344262295083
2003	-1.6129032258064484
2004	-0.546448087431699
2005	1.098901098901095
2006	5.978260869565204
2007	3.076923076923066
2008	-2.985074626865668
2009	0.512820512820511
2010	1.0204081632653015
2011	3.535353535353522
2012	5.853658536585371
2013	7.373271889400911
2014	1.2875536480686662
2015	11.440677966101688
2016	7.224334600760457
2017	3.546099290780134
2018	3.4246575342465633
2019	3.3112582781456865
2020	-0.6410256410256352
2021	8.709677419354847
2022	3.857566765578639
2023	4.285714285714292