Year	annual %
1960	3.47823790409599
1961	0.916260431846688
1962	1.29236216541521
1963	3.95495742929742
1964	-0.0901365196717478
1965	-0.45558086585781
1966	1.98321891712164
1967	3.29094988781672
1968	2.19647598286799
1969	5.73925366136733
1970	4.35559526470564
1971	3.59589041076037
1972	5.18595041325518
1973	4.89098408992571
1974	7.69999999976926
1975	9.51717734405536
1976	12.8232301828134
1977	9.16776253995512
1978	4.61194286682018
1991	180.952380952381
1992	83.615819209039
1993	207.692307692309
1994	448.499999999999
1995	387.310847766638
1996	-16.1173257510572
1997	23.0631996788727
1998	14.7687735575528
1999	12.5777623393436
2000	4.97896213183735
2001	16.3740814963262
2002	19.316694601979
2003	33.6162105992383
2004	26.9619068193272
2005	36.9594809201871
2006	53.230962911428
2007	-10.0674925768978
2008	12.6628528269228
2009	6.8736154721255
2010	2.8777472527476
2011	5.801455370853
2012	6.08909641595043
2013	1.87949800749469
2014	2.23597407904679
2015	1.39333028780309
2016	0.556521397155511
2017	0.18405889884769
2018	0.367441488936849
2019	-0.198965380023928
2020	0.574162679425795
2021	6.04186489058044
2022	4.99476596381044