Year	annual % growth
1968	-6.796398694068813
1969	13.544631115853619
1970	-0.9189300132159133
1971	36.01129596203836
1972	-10.072216747701972
1973	-8.799661912112882
1974	9.648716327819855
1975	1.6016057299746365
1976	15.74762217315427
1977	23.80700833926963
1978	-4.394567205354221
1979	10.919482872936086
1980	25.387762696769897
1981	-21.34058062271555
1982	-10.549590216827411
1983	13.69605606804005
1984	8.672745639276286
1985	6.848886131014439
1986	-7.425650632594838
1987	-0.6385904806081868
1988	7.473887172874143
1989	11.103962529082295
1990	0.09263745087324082
1991	13.218371724116423
1992	8.476928388322634
1993	4.186309305932738
1994	6.909325373896081
1995	10.017936075473699
1996	0.4446490420039879
1997	28.485652059186776
1998	-0.5223482476075247
1999	16.41708982193073
2000	5.015478512300334
2001	44.31243440281443
2002	19.665364796583276
2003	-9.299675404138796
2004	-5.701902743072679
2005	11.901423040536386
2006	9.627660555236957
2007	-10.412413352776696
2008	0.7187484518815523
2009	-11.054201500685139
2010	-0.248935258054928
2011	6.168263450092937
2012	8.753965381985324
2013	0.8256406306106641
2014	2.1904660904893802
2015	10.400000001132298
2016	-2.0317452107570944
2017	11.399999998667568
2018	-0.09999999885732791
2019	2.3000000005986436
2020	0.49999999602916034
2021	-0.99999999667277
2022	18.095538906555802
2023	-8.600000000960478