Year	annual % growth
1971	5.522533475217543
1972	2.7227880839107286
1973	3.56705287506378
1974	2.9759999199663696
1975	5.291075969504362
1976	5.954566844130312
1977	6.273485293797492
1978	-1.5903029011812038
1979	4.200190264851173
1980	2.0700815087102455
1981	0.30219877006665286
1982	1.12144025164595
1983	1.9802668014889662
1984	3.1916363120298996
1985	9.225220137088286
1986	5.049265425559597
1987	-0.6172020705515422
1988	-2.11155154253737
1989	-0.6111043575683226
1990	0.6925459576142146
1991	2.084359262250416
1992	2.364198860913774
1993	2.2707958624264677
1994	3.394766389017306
1995	3.6122009082495623
1996	6.3232011286361285
1997	3.120760752013922
1998	2.828729281767963
1999	3.734181802921583
2000	4.170666195917477
2001	2.062861433235014
2002	3.1359286774260937
2003	3.1926239954922977
2004	5.449364860106726
2005	4.402747697580665
2006	4.96035631587803
2007	5.306947513695604
2008	1.6775493996541826
2009	0.03029698045932605
2010	3.8096980498505815
2011	2.3646275597755277
2012	3.502735314929865
2013	2.8112360301737027
2014	2.071327935097301
2015	2.7098974090222754
2016	1.12333747825393
2017	2.2387313150018144
2018	1.4332852429042902
2019	1.0225262778409814
2020	-6.220961435252619
2021	5.097526823220932
2022	6.219317116222641
2023	-0.7272269703137226