Year	annual %
1962	3.818019558044753
1963	2.5167485942693872
1964	3.9064338367952303
1965	2.536953535719718
1966	5.023789438373967
1967	6.439024420368455
1968	5.801094166349955
1969	7.716819661885424
1970	3.8466298565900985
1971	1.3069053965523096
1972	-0.4104799110973545
1973	7.057398934731609
1974	3.8458308363407383
1975	6.1262331607053255
1976	3.3351066917763887
1977	5.100590263931551
1978	5.653836857752154
1979	6.403556925906216
1980	5.846026516168635
1981	5.699524766614033
1982	4.141495702283038
1983	4.8139909695889855
1984	5.0991465579138975
1985	4.999406368712528
1986	4.355546916564094
1987	1.7256106928987833
1988	2.472685037712054
1989	2.299301411980096
1990	6.399995310866345
1991	4.599987244034182
1992	4.399991251819387
1993	6.900063251494743
1994	5.599918725101659
1995	5.5000852341585045
1996	3.7999672056817815
1997	6.405399695712859
1998	4.698423047720524
1999	4.300540498133728
2000	6.000033158289341
2001	-1.5454081336602599
2002	3.9646756851311267
2003	5.940269078022297
2004	5.445061278853515
2005	6.241748043764474
2006	7.668291901079186
2007	6.796826118928664
2008	5.95008814473897
2009	3.5389120531784215
2010	8.015967370404638
2011	8.669483011605706
2012	8.632181380240382
2013	4.051746329269108
2014	6.377978892893992
2015	4.205955475992695
2016	5.05362489256818
2017	6.460681270703603
2018	2.3100842519216087
2019	-0.22048388607261415
2020	-4.624515816337151
2021	4.207485977190359
2022	-7.346764383788326
2023	-2.298045111644356