Year	annual % growth
1977	5.031447018612283
1978	4.041915841957945
1979	-1.8705032807242077
1980	0.8797645854322127
1981	3.6337209017735432
1982	1.9635343869494761
1983	2.5246312425497166
1984	3.7237231851354125
1985	0
1986	1.6213087920510674
1987	7.008547258025359
1988	5.185185253590646
1989	3.621730447236132
1990	6.601941696554434
1991	5.8990181606658325
1992	5.262428775571792
1993	6.282276335533126
1994	3.4634395788953043
1995	3.7888798588772374
1996	5.991049984448765
1997	-5.521695968843375
1998	4.102949623500635
1999	5.800301427523507
2000	8.829877535495683
2001	3.9900366320311917
2002	6.080076711058879
2003	2.669962511327256
2004	4.170227508724821
2005	4.3399885282489095
2006	4.299926301347227
2007	-2.8790813893375713
2008	-0.4161632881819486
2009	5.325429886742256
2010	2.599654384584454
2011	2.5694333972596723
2012	2.7724055618894
2013	1.751079478489558
2014	3.9488661472550035
2015	1.7098458800821135
2016	4.390759317334457
2017	0.9391901408445591
2018	4.566946255302412
2019	1.9446965396396934
2020	-0.45476279580415735
2021	-2.187551949019806
2022	6.390086566126627
2023	-3.7315935606763873