Year	annual %
1961	13.443330300308574
1962	6.136123756356753
1963	4.73030428606333
1964	3.152595391242457
1965	6.808851652515457
1966	2.963555928996797
1967	2.5125753290911916
1968	0.8691561595494335
1969	6.046146159356496
1970	6.392896183160033
1971	7.998012164505553
1972	9.083354625697496
1973	7.927926285561753
1974	36.55643932857569
1975	16.599462941520372
1976	32.56374574731407
1977	-14.628879690513031
1978	-25.884051231067502
1979	-2.009700784078305
1980	-0.03320872155940435
1981	2.385472133872611
1982	-5.635613422182686
1983	2.807161054185812
1984	4.629801941327344
1985	-4.96311613554748
1986	-3.4919088015183206
1987	-19.405123007176584
1988	9.759055928193305
1989	5.589705182463447
1990	2.354481952834192
1991	3.2792856141843316
1992	-5.654397103397315
1993	1.220151969446249
1994	1.0364122893318637
1995	2.321067900864989
1996	1.0459529402367025
1997	3.120912474481827
1998	0.9096874054968822
1999	-11.20291442220558
2000	-4.362686955235645
2001	-0.4955545687623726
2002	-2.8590561853707186
2003	-0.4751648746475752
2004	-2.0610504670054866
2005	-0.22753441355939685
2006	-5.664485439102435
2007	2.776783313599296
2008	-6.342412083349885
2009	-3.1132399876012187
2010	3.487294146108951
2011	3.382360848105236
2012	1.5718549447385044
2013	2.0000392450822773
2014	0.8872731080266334
2015	0.7212326392669723
2016	-0.7316506260430629
2017	-2.06281675404621
2018	-1.5448721836271488
2019	1.5682109195984708
2020	-3.969558634260693
2021	-0.638652872887107
2022	0.9069575845496871
2023	0.266540430928643