Year	annual %
1971	-1.583700000000178
1972	-1.9499999999998465
1973	-1.9305000000002224
1974	-1.6781000000000859
1975	-1.5065000000001447
1976	-0.8450999999998601
1977	-3.741499999999917
1978	-1.8324999999998965
1979	-0.3968000000001126
1980	-0.6395000000000266
1981	2.60030000000026
1982	-16.00909999999996
1983	8.97359999999938
1984	7.461000000000055
1985	-1.8350999999999118
1986	22.585500000000152
1987	12.256899999999945
1988	19.306999999999988
1989	-1.9477999999999156
1990	15.376000000000033
1991	3.609183326216609
1992	2.7887888821527014
1993	4.110823767826616
1994	10.283376815046807
1995	-5.004452031338076
1996	-5.961370474619045
1997	10.003302782594332
1998	15.501166126048844
1999	-1.5638708239914223
2000	-0.9704892057833234
2001	0
2002	9.523809523809533
2003	-4.347826086956516
2004	-2.2727272727272663
2005	-4.6511627906976685
2006	2.439024390243901
2007	7.142857142857139
2008	6.666666666666671
2009	-6.25
2010	-2.2222222222222285
2011	6.818181818181813
2012	-2.1276595744680833
2013	4.347826086956516
2014	0
2015	10.416666666666671
2016	5.660377358490564
2017	2.4483928571428635
2018	1.3872838415160231
2019	13.822098440696621
2020	-4.274932069013971
2021	1.8041359113615982
2022	0.6773093614383043
2023	3.852809195170323