Year	annual % growth
1966	4.559373923987707
1967	3.2479196106209827
1968	2.486946054672032
1969	4.270879794546715
1970	5.128093621620323
1971	2.5619548528926828
1972	3.3332731982339396
1973	4.84392524928667
1974	4.594223446135516
1975	7.095744601421529
1976	5.213604890191164
1977	5.741416994459982
1978	7.006000928363719
1979	3.7542514731111964
1980	5.944503243569571
1981	5.404455524314031
1982	5.8901864692043375
1983	4.74154610361137
1984	2.9487776784273194
1985	4.799338719870661
1986	5.183318162636596
1987	4.571183441653744
1988	5.6599935931809
1989	5.215612645210825
1990	4.563296200835538
1991	3.9221900512617083
1992	4.195482384383425
1993	4.398581756134192
1994	3.8214534574330514
1995	5.704217256390834
1996	5.668480144875161
1997	6.00686911596928
1998	5.564908487490342
1999	6.480288140913899
2000	3.4182670183071906
2001	6.986811976752634
2002	5.8899816568653875
2003	5.467942237664843
2004	8.507688977130883
2005	7.711183166343318
2006	7.271560829101716
2007	7.8844799718101655
2008	6.850500680093589
2009	6.927769761950756
2010	6.640759316717194
2011	5.218224384643406
2012	6.600016538932181
2013	6.526923612633183
2014	7.183658707712539
2015	6.330843821807221
2016	5.616565209014965
2017	4.9730155924147255
2018	5.691191386282739
2019	5.423885269181113
2020	-4.848080243483693
2021	6.391395368279802
2022	7.886147763374979
2023	5.852812950969152