Year	annual %
1961	2.45753430859736
1962	1.1874520367645118
1963	7.642658440076559
1964	8.608309336503211
1965	2.2184787363398044
1966	2.4058399647984174
1967	-1.6684333537466074
1968	-3.9661666352542113
1969	2.82891950931203
1970	3.2121157577232253
1971	1.7922240602820523
1972	0.857889532663819
1973	1.303987638828545
1974	-0.6087678039512667
1975	6.5645483245343
1976	10.784145231556067
1977	6.509333734867283
1978	6.017912958844647
1979	1.958494542427914
1980	7.204758134987202
1981	4.596634396765836
1982	7.071597340537579
1983	2.286887795135101
1984	6.76343139166957
1985	2.9173067303174065
1986	1.9163957600898414
1987	1.0483476014805433
1988	2.63121118540559
1989	2.160028642613881
1990	2.991332081576232
1991	-1.283898097608727
1992	2.0728399944395903
1993	0.5654758413540719
1994	1.6649293383233328
1995	2.3739367588101885
1996	2.749670998598816
1997	3.2429007344672414
1998	3.335403437403926
1999	3.8357065153997496
2000	4.188865980050309
2001	1.427875031342026
2002	0.2713500202154364
2003	1.061259565820734
2004	1.9986068466691904
2005	2.4201256286009425
2006	4.784127564413637
2007	5.0180848206260436
2008	5.078168373519105
2009	2.6459186643618864
2010	3.036697185341481
2011	-0.4574093600842275
2012	-0.05978776092638327
2013	-0.15366223772255694
2014	0.531824070201182
2015	2.0955383060870645
2016	2.1922086271789283
2017	2.1287433805944573
2018	3.3498150222262666
2019	3.6753708302234713
2020	1.7709687318852048
2021	1.591816288235833
2022	4.928456184537794
2023	2.1697150463456154