Year	%
1978	10.774631330248107
1979	-1.0611457457749522
1980	4.476508260900934
1981	5.11823674143201
1982	7.774707244395978
1983	7.320986685084805
1984	7.9470999203981805
1985	8.681673584786642
1986	9.093224145088236
1987	6.560180094154518
1988	7.638632995945092
1989	7.43584324824212
1990	5.269526998274231
1991	3.6247165957506193
1992	9.132749405876595
1993	5.814776512130363
1994	4.337109737579386
1995	5.864178109081859
1996	7.792994300298666
1997	6.90957899531884
1998	5.121276328772201
1999	9.191247322389653
2000	8.342610831409267
2001	8.591449296371632
2002	7.907177188974632
2003	7.307881160384139
2004	4.9101283033461955
2005	4.855145171866085
2006	2.570606701768297
2007	5.681844064537108
2008	3.7717562496539365
2009	4.808592107665974
2010	-1.9838592213986646
2011	1.3179808619193742
2012	2.4735204887934725
2013	3.865992862721591
2014	6.695176090464942
2015	7.556488413558984
2016	6.232711414763854
2017	5.32760886239731
2018	5.36166638957659
2019	6.894875427255142
2020	4.135999577896659
2021	0.3169451441797755
2022	1.7046109285225284