Year	annual %
1966	-1.175317358680033
1967	-0.3935076252276133
1968	0.19483187025797122
1969	0.42542824716326777
1970	4.837511532914078
1971	0.8064575225223507
1972	0.40031654299835395
1973	8.841365698512476
1974	9.649147983156595
1975	9.88797935999375
1976	17.63421139180039
1977	18.32162985285673
1978	0.960013082364398
1979	15.562407198171499
1980	22.60128825648718
1981	2.009387899587665
1982	5.552900619097386
1983	1.5889979721315655
1984	3.0540872962116765
1985	3.1537806589639246
1986	-0.9481592233753702
1987	2.373943709554595
1988	3.905755511120489
1989	3.355395245194501
1990	5.105728336457645
1991	7.420398311396937
1992	3.4199230219457633
1993	8.59328373641921
1994	9.804128184254708
1995	10.929034070878402
1996	6.581718610619774
1997	3.3838083741317178
1998	4.2300951830240905
1999	0.9941051681341833
2000	3.272631670496878
2001	3.3136316551397442
2002	1.5106330118622253
2003	2.9656714133687387
2004	2.7176733821331567
2005	4.2947632603107735
2006	4.332692267458626
2007	4.39535754973457
2008	3.502299096864192
2009	-0.033895339629339105
2010	2.5979205150403573
2011	5.95334315490372
2012	2.475549962784001
2013	0.6313116952610045
2014	0.9932308548603572
2015	1.3076177772310018
2016	0.6577462073965847
2017	0.986566456267596
2018	1.7162630870751485
2019	0.8480147011053418
2020	0.653512318599752
2021	4.142074685993549
2022	7.143242839221003
2023	2.7288450232809254