Year	annual %
1967	5.43775649904798
1968	4.54103146287562
1969	8.93577412289434
1970	6.15209342130048
1971	4.61497182668251
1972	6.83081131902369
1973	5.48175416169897
1974	13.0718458387012
1975	10.3596349973051
1976	4.25583657583811
1977	3.1898763705574
1978	6.10907035899874
1979	9.09139326792413
1980	12.0978372310682
1981	11.1144984973891
1982	6.01262101667498
1983	3.99999999999994
1984	3.96634615384615
1985	4.60500963391135
1986	5.43378154356233
1987	5.75646401118136
1988	4.40241182786764
1989	5.38765822784807
1990	4.66931912018676
1991	7.11468120203628
1992	5.73819886173447
1993	2.72289766970591
1994	1.39933423745548
1995	2.06699495410042
1996	1.37913741223666
1997	0.544150383378688
1998	1.33661336613371
1999	1.2542482602363
2000	1.60632941740579
2001	2.04498977505121
2002	2.17357792508093
2003	3.02504526252236
2004	0.981914036757662
2005	1.59160618079802
2006	2.38982627439254
2007	2.49257794939396
2008	4.4895599537506
2009	2.06273473452682
2010	1.34402738392836
2011	3.1987814166032
2012	1.97336755976254
2013	0.722414784530551
2014	1.51375643050831
2015	1.86148302863371
2016	-0.346376929989397
2017	1.51820700736147
2018	2.26586346678736
2019	2.49123527368046
2020	0.0385210980054558
2021	2.90491262928478
2022	5.60540633583044
2023	3.05291578969743