Year	annual %
1961	10.33716533599032
1962	2.0680679046385393
1963	3.194617811251817
1964	11.967928788341098
1965	12.431520750560082
1966	5.801667084195955
1967	1.4733657688892805
1968	0.8201479036480777
1969	6.559578935942497
1970	-1.063515819007577
1971	-3.0799074281132164
1972	4.693234776676931
1973	1.2227731437713771
1974	2.2904225149301
1975	0.016871841908823626
1976	-4.336949324137436
1977	4.480705303387509
1978	8.45734283668233
1979	-7.497645275833648
1980	11.47364770506067
1981	-6.215038205320241
1982	-6.691078791286671
1983	-8.538765330051277
1984	2.1066766110917143
1985	2.25700047692699
1986	-1.4516657592345439
1987	-2.4827206598972396
1988	3.475487609625617
1989	1.0121178468468486
1990	-3.1336956145323
1991	-3.5436278264721324
1992	-6.693309887881981
1993	-14.516523581649267
1994	14.582901781722882
1995	3.1345579199274454
1996	4.764734219733512
1997	10.724638496181683
1998	-5.104797378773213
1999	-0.45808733736278384
2000	-3.55894727145683
2001	-1.8687062889930104
2002	1.150877512076832
2003	3.9746424575739354
2004	-3.5447031476266346
2005	-7.109548050471275
2006	-0.1919930834820036
2007	-4.007026200145106
2008	1.1106844673834075
2009	2.550879944785109
2010	3.064081852826803
2011	3.050654905549351
2012	3.5715068145839837
2013	3.1497948595595915
2014	2.993214680204332
2015	2.8593404965128855
2016	1.6558926918835937
2017	1.4725493020598037
2018	2.270032806763723
2019	2.4228408160517034
2020	-0.41777263801536435
2021	3.5111800103228745
2022	3.322890761939547
2023	3.997413061310695