Year	annual %
1971	11.770008226492237
1972	12.254511506377
1973	13.53841702385705
1974	8.59189795412432
1975	4.4988967012616
1976	10.06676475224468
1977	4.771139997856096
1978	4.2097496911261345
1979	6.4109411458079535
1980	8.560582167235879
1981	-5.046733646997197
1982	-0.22560814163038856
1983	-3.628911036815964
1984	5.525716520567883
1985	8.306819617590392
1986	8.42228969022949
1987	4.33913665937105
1988	-0.2863046162621288
1989	13.128747463319286
1990	-11.505012728246541
1991	1.4442608736379867
1992	-0.20573733781561998
1993	4.3530119841009025
1994	4.341337885396257
1995	6.828190763422555
1996	2.264950567819014
1997	3.06376185682322
1998	-0.08117040197748793
1999	-0.5183582725111506
2000	4.610819867674891
2001	1.0326096996848548
2002	2.936278781006621
2003	1.3338623161175462
2004	5.973542801286371
2005	3.2851688198813207
2006	4.34481704829939
2007	6.468519422962402
2008	4.738529783810037
2009	0.11528214904747358
2010	6.526940481433456
2011	4.509585362975628
2012	2.0143792553396906
2013	4.1805708047921115
2014	0.03089027549599166
2015	-3.5418310103354997
2016	-3.507357460345105
2017	1.5688776858663118
2018	0.8480444315960796
2019	1.3325210654667785
2020	-2.6952974737966002
2021	3.6296005755392997
2022	3.2301328846589854
2023	2.901648824893016