Year	annual %
1961	-26.52764360640397
1962	-6.351504864338409
1963	7.622254461013341
1964	15.468995418830815
1965	14.19788901160699
1966	7.608403928285085
1967	-8.161497585287478
1968	-6.571451614339409
1969	13.779340343525433
1970	16.050399292919053
1971	4.159176201314182
1972	1.29010597099861
1973	5.327293013938132
1974	0.2180056673592503
1975	6.816440506277985
1976	-3.0813219849278255
1977	6.114001676047494
1978	9.846156848019689
1979	6.165663709322615
1980	6.490112655142852
1981	3.774903664633783
1982	7.423410231937268
1983	9.1811370495777
1984	13.690019840921593
1985	11.896561710396753
1986	7.341433471286791
1987	9.881163795854604
1988	9.446171356877798
1989	2.620859174920895
1990	2.406558571995916
1991	7.782091991603096
1992	12.833209580034733
1993	12.58199664360204
1994	11.766389146323931
1995	9.754954889242555
1996	8.776429811032372
1997	8.124497577263881
1998	6.8160645643784505
1999	6.733485658302143
2000	7.638597676255728
2001	7.551654831581118
2002	8.404879974880416
2003	9.354776643839415
2004	9.461558770081794
2005	10.741375126566012
2006	12.093304694130865
2007	13.635820500755386
2008	9.090280101373608
2009	8.855947675771404
2010	10.102832622524886
2011	8.953816041745483
2012	7.134523777439711
2013	7.0507341340080245
2014	6.75076031581014
2015	6.4207364773118485
2016	6.238215447677845
2017	6.301863100566308
2018	6.251700555717491
2019	5.575316862943168
2020	1.9955580419210577
2021	8.351719953941725
2022	3.002576026266766
2023	5.309248534297524