Year	annual % growth
1971	6.379698629222503
1972	4.916975500254267
1973	6.177010332216739
1974	5.571635374007471
1975	4.482520029505665
1976	2.12542982424344
1977	2.1068867787492422
1978	4.151987834949139
1979	3.97438591870997
1980	3.473917566564481
1981	4.581183171919662
1982	-1.0414454186476263
1983	-0.466526899052667
1984	1.2099403304829792
1985	0.8185236845218213
1986	1.4314719918409224
1987	0.6213803122238915
1988	1.4653549262919228
1989	-2.125025090352608
1990	2.0130684008776427
1991	3.316457429129187
1992	5.602069137626259
1993	0.7496031872553175
1994	3.362427160385323
1995	2.2148398846191526
1996	2.6679289167111477
1997	0.8969805394637831
1998	2.3793947667189315
1999	1.238667363968986
2000	1.6145302771893597
2001	0.5461777679901729
2002	1.2098768746886748
2003	0.731886232809444
2004	-0.593364168883852
2005	0.5969059951811602
2006	1.1140704639738317
2007	1.7005980788980821
2008	3.721150766274633
2009	3.1562211378132474
2010	1.4197660798429723
2011	0.9658163883539146
2012	1.2790206495719474
2013	1.4114389496116218
2014	1.6952700719754574
2015	2.901832434446632
2016	4.039999463004349
2017	1.6628222581959875
2018	0.8036308384040893
2019	2.644907837735545
2020	4.111842074999444
2021	3.124450736650246
2022	1.565957846698879
2023	-1.4915378484635085