Year	annual %
1970	5.89999999899992
1971	4.81586402365268
1972	7.6576576576576
1973	11.1297071121337
1974	19.4277108435204
1975	11.9798234553088
1976	11.4999999999997
1977	14.5665171893876
1978	6.92152129952408
1979	14.2464917630784
1980	11.1111111111113
1981	7.69999999999975
1982	7.42804085422491
1983	5.02016709831461
1984	3.84747273837611
1985	2.98507462714756
1987	-0.199999999999908
1988	6.61322645290578
1989	25.7127192982454
1990	16.1921375615233
1991	8.15549597855212
1992	3.9958356055719
1993	3.31666666666706
1994	3.51669624132886
1995	2.35312451301273
1996	6.50121802679586
1997	3.0378842030025
1998	3.09166666666703
1999	0.606256567779427
2000	0.66688092559796
2001	1.77220437351017
2002	1.83299389002049
2003	1.62999999999998
2004	3.36186821476601
2005	3.49368534619531
2006	6.25172466656443
2007	4.74390639021648
2008	13.9712310012729
2009	-0.739069743144777
2010	4.84551875852116
2011	4.1624416292779
2012	4.5152295667099
2013	4.82462314269537
2014	2.89947905006057
2015	-0.876851359704049
2016	-0.778430463054142
2017	3.32389447576097
2018	4.46231108475481
2019	0.761514047265601
2020	0.333294350628378
2021	1.34609377243118
2022	4.22915568897117
2023	2.08486986327134