Year	annual %
1961	11.838674194832691
1962	9.953438103018186
1963	9.596498874198048
1964	5.308510245570815
1965	6.253134898985508
1966	7.2460603095073
1967	4.34033841707533
1968	6.597020137583314
1969	8.907015555271116
1970	4.244970767153461
1971	4.649473687463242
1972	8.149745809524632
1973	7.788465357895191
1974	5.61878571735528
1975	0.5422032143574995
1976	3.303791572236875
1977	2.8385743338570393
1978	1.4630032360058607
1979	0.041546514629359876
1980	2.2087281072924725
1981	-0.13246845198897006
1982	1.2464616056333142
1983	1.7701157399855987
1984	1.7846875068689485
1985	2.3214359458680605
1986	3.2533217057731036
1987	5.547122619443456
1988	5.0943242039635805
1989	4.8270302706883825
1990	3.7813935550846196
1991	2.546000584728219
1992	0.9292153160538135
1993	-1.0314917289191072
1994	2.383195326395523
1995	2.7574940459830373
1996	2.660561604296447
1997	3.7024946271661463
1998	4.3931007345225765
1999	4.490553378406403
2000	5.245943823778035
2001	3.93300276489272
2002	2.7309483293099532
2003	2.9819363164467205
2004	3.1227335166262407
2005	3.6520841919014373
2006	4.102685740727054
2007	3.6047384619981813
2008	0.8870670455764156
2009	-3.7631070424473023
2010	0.1629195177582261
2011	-0.8143847766489216
2012	-2.958922132300245
2013	-1.4033418679063772
2014	1.3957753672797537
2015	3.83851887667484
2016	3.037774141724455
2017	2.975760729248634
2018	2.284469419476224
2019	1.9839662230883022
2020	-11.167297859698323
2021	6.403173614845414
2022	5.770647676180516
2023	2.503294359854749