Year	annual %
1966	6.313020043102412
1967	5.215962103987579
1968	3.512400365025954
1969	3.80071619599029
1970	10.975044293228791
1971	1.4104347487901947
1972	1.8020555893566836
1973	5.548862477087397
1974	7.868985776731435
1975	6.590866407627487
1976	5.337210737967553
1977	6.168159176026535
1978	6.804188822696773
1979	6.5829683374696515
1980	3.698676129479338
1981	4.406613672961029
1982	1.142470598367538
1983	3.3889730252205936
1984	4.531567718925402
1985	4.025229348999247
1986	-8.987637796258767
1987	0.4487668919599912
1988	4.515476911737281
1989	-7.437231799663138
1990	-14.765716621189767
1991	-21.652946447152956
1992	-45.3248837559735
1993	-29.841453334551417
1994	-9.008201646874568
1995	6.525214337983741
1996	15.312835245369754
1997	14.123244741854663
1998	5.684291063469686
1999	5.005584537733341
2000	3.840180243270524
2001	6.445785292909179
2002	6.424652843515005
2003	11.809610686787607
2004	6.4498499387719335
2005	10.289578521487314
2006	10.045296671285087
2007	13.164350952042398
2008	2.7332346709434034
2009	-2.7911810481928114
2010	7.024283668976736
2011	8.803628873367202
2012	7.366752154639485
2013	5.449782655484171
2014	4.041627523145138
2015	3.188392948629442
2016	3.388353283167447
2017	5.145826775627356
2018	6.103447450873588
2019	5.5616716587315835
2020	-6.354787152064674
2021	11.06507800678311
2022	10.842208805380807
2023	6.106513220076579