Year	annual % growth
1977	6.048250048463075
1978	2.8516499639869863
1979	0.9345794588807621
1980	-5.58641980661362
1981	-3.0728994535843555
1982	3.5750420219941645
1983	1.9515722059123277
1984	4.501949487320516
1985	5.099502718590813
1986	6.993006840981693
1987	19.698340994581415
1988	8.597685393525097
1989	7.202407113577465
1990	4.999415208004393
1991	5.049001898878174
1992	4.812044759335365
1993	5.3442666228707765
1994	5.8445527475893755
1995	4.783477278369148
1996	4.928792010715412
1997	5.095211605040205
1998	6.160818932438829
1999	4.063390634208929
2000	3.8959721407809695
2001	2.9642296591387236
2002	3.3068769246119984
2003	4.6979303701155
2004	8.331204223910376
2005	7.221857156668122
2006	5.93307794422617
2007	4.46190057362341
2008	6.708724978883481
2009	2.0902695956018533
2010	2.636306137163544
2011	2.5046059513830414
2012	2.7408298211255584
2013	2.638307308288219
2014	2.630278073258623
2015	2.932058920814157
2016	2.953713020095833
2017	3.2295559856916185
2018	3.214600814467161
2019	3.1516706767834535
2020	-15.318056703253731
2021	3.0285374718914397
2022	3.299442516613496
2023	2.6459334581907683