Year	annual % growth
1967	-27.800454822946435
1968	-0.2517220454157325
1969	6.635078691850808
1970	22.760526239644705
1971	9.798217250821082
1972	9.679360806280485
1973	10.124000929607462
1974	9.01190479038732
1975	6.3367975695502565
1976	5.993772705699001
1977	5.540595675383031
1978	4.260089686354945
1979	3.655913977551563
1980	11.289168692465367
1981	4.463229620220915
1982	4.354996525030202
1983	2.7007901890832926
1984	1.8316490582708695
1985	0.6484352960525683
1986	2.745098039020803
1987	7.3936750278837735
1988	4.803005684860935
1989	4.340664663853147
1990	-4.285448972776479
1991	-3.837956549184966
1992	9.241464910383442
1993	7.311177157454111
1994	3.6534534902129963
1995	6.064433435030651
1996	4.633493140153931
1997	8.546591227176052
1998	3.5906641135887867
1999	5.771359301832078
2000	3.9306254507728227
2001	5.7869137657084195
2002	4.504745758093634
2003	0.8230024987409195
2004	3.204915683140257
2005	8.5647450920886
2006	6.987315202771029
2007	7.305532832528485
2008	5.141356060065789
2009	2.219887867180745
2010	7.826630249700358
2011	3.3391449789735645
2012	4.035350081291384
2013	3.2340474614064334
2014	6.523950370042854
2015	6.1339003027925685
2016	6.301881491495635
2017	3.7369717249945467
2018	5.7104783034503726
2019	4.16987251762464
2020	-7.861221756829082
2021	7.852143554600204
2022	8.079168271576023
2023	3.7387441261655994