Year	annual %
1961	6.900285514229452
1962	3.300258516020932
1963	4.710291339850727
1964	4.212477359456827
1965	6.1679747564274265
1966	1.9915033352727534
1967	9.150367204140338
1968	4.527073841880764
1969	4.701151407707755
1970	5.553425733118942
1971	5.538151942856004
1972	6.631297475733959
1973	7.3028129074068175
1974	8.381525436500326
1975	6.852444714129533
1976	7.525949531427287
1977	11.494081601995518
1978	12.028729946121587
1979	11.862146971295019
1980	11.712145943447979
1981	9.170458849429124
1982	-1.39761771803515
1983	-3.042617884718595
1984	2.8165994460145782
1985	4.5231356783092025
1986	4.964835665713622
1987	7.582304376041776
1988	5.915372065560447
1989	6.935203911035231
1990	4.123282879417388
1991	3.493650154914718
1992	1.6964280112470078
1993	4.936359414752815
1994	5.3179176602394165
1995	6.822810303585783
1996	1.573785131750057
1997	4.242516102698588
1998	0.0680377558080636
1999	-1.36607971240079
2000	-2.314140568190453
2001	-0.8340547167460954
2002	-0.021404394998569387
2003	4.320745485515914
2004	4.057418363637709
2005	2.1334906645960103
2006	4.807117192683762
2007	5.421622872182354
2008	6.496292119709096
2009	-0.2611373280802809
2010	11.095231268552055
2011	4.286371207022825
2012	-0.7080431123168864
2013	8.293076489404712
2014	5.301238592370254
2015	2.9571517348710614
2016	4.268025833145828
2017	4.810078855540411
2018	3.204250340766393
2019	-0.4018551006800095
2020	-0.8197853909719157
2021	4.01673731780312
2022	0.17603836613288593
2023	4.7141240794546775