Year	%
1978	3.006598091845251
1979	3.1053550277137836
1980	0.5350248618852417
1981	7.3383468590403185
1982	5.44840408740267
1983	5.698663994073502
1984	8.861425772594334
1985	9.671383031151988
1986	8.17523643960664
1987	5.538085742505979
1988	0.5059676563680535
1989	1.970538147589671
1990	2.5455036145061567
1991	3.014293787490894
1992	4.5023181339585765
1993	1.867598853904028
1994	2.33474747945626
1995	3.0945953950800273
1996	4.683237200729425
1997	5.181291175790257
1998	8.888631674759061
1999	9.725802426233777
2000	1.8965818038996691
2001	7.6006741067885075
2002	6.299247904899691
2003	7.235892783364765
2004	1.2894169521310854
2005	3.336078554339562
2006	3.405513092378726
2007	-0.5540427402315632
2008	6.856278722801229
2009	2.3564670940494734
2010	4.225382135084975
2011	4.160490844384078
2012	4.8605775633829715
2013	5.836216953178351
2014	5.632323555145648
2015	2.2101501714236753
2016	4.836691223461991
2017	2.318849606462533
2018	1.6658602873778146
2019	5.465587101206846
2020	7.880770290373571
2021	-4.547066419790641