Year	annual %
1975	5.518963851250618
1976	5.627126780342181
1977	8.381099412972688
1978	-2.171429325338252
1979	12.671889742320857
1980	86.11396726610195
1981	9.021595023977298
1982	-4.838443332617302
1983	-11.420035315901288
1984	-1.2741715632398751
1985	-2.4649410473008118
1986	-31.904747575869408
1987	10.729960713460002
1988	-7.669073021759644
1989	8.69804995888532
1990	8.409963766291312
1991	-2.8372808229556483
1992	1.7268753562391908
1993	-2.9514895271674106
1994	-8.763626526901703
1995	2.872997532200671
1996	4.488755815117784
1997	8.584853384892924
1998	-11.648573565925375
1999	11.59397647734886
2000	29.01570917416737
2001	-5.591898049764879
2002	0.37420952853027245
2003	6.104611064302773
2004	15.886164657530614
2005	18.7663191432748
2006	10.047721475542403
2007	1.1204476938103909
2008	12.692729958361795
2009	-22.09141647635201
2010	16.688282846399716
2011	20.180505415162457
2012	1.2187026872860827
2013	-2.821321169895427
2014	-1.8464572836568607
2015	-17.61280313412618
2016	-9.16786161646344
2017	4.953690289019136
2018	9.215863132769428
2019	-3.334183376436698
2020	-10.863759635016208
2021	15.46592870217178
2022	24.23672683877649
2023	-12.896195831663121