Year	annual % growth
1967	2.610957274388298
1968	2.5477712439328
1969	0.45950411462139584
1970	6.249014007643822
1971	2.32765303772166
1972	11.686878044809191
1973	0.6364641710819683
1974	-3.3686996350499783
1975	2.2706720972015546
1976	-4.393489900883836
1977	-7.423086015959996
1978	-4.6775891220665216
1979	-5.117650009126777
1980	-11.231114647413122
1981	0.7829407292762198
1982	7.50967074175189
1983	1.9337076677115448
1984	-4.18011810121034
1985	1.7192936448315663
1986	0.7341371144002267
1987	5.867599429238709
1988	5.423924305965812
1989	7.538112606183873
1990	3.877655869703972
1991	-6.15535476213671
1992	1.3616523398733307
1993	7.4252458757400035
1994	2.364428225429819
1995	-3.8111405835543763
1996	-5.010037724194234
1997	-6.606205583166897
1998	-5.769206858393332
1999	-3.8660984073785727
2000	-1.1968650918923345
2001	-0.7668264221712917
2002	-1.8800834348270428
2003	-0.4194606933941998
2004	1.9141498080119277
2005	-3.940561210144523
2006	-1.6201027382224282
2007	1.306120020231475
2008	-0.7767988252569751
2009	-4.766837844637493
2010	-4.205128205128204
2011	1.7049510090195241
2012	-0.16747747029268112
2013	-0.20610321137561982
2014	-0.7764845263444329
2015	1.97657157609396
2016	1.9335137102260944
2017	1.9465097868773569
2018	0.8541803066522533
2019	1.7708868021377526
2020	-5.368560027295246
2021	2.9596187609731714
2022	6.260657734470158
2023	2.325481430536456