Year	annual % growth
1971	4.114407864742333
1972	5.262148587395757
1973	4.827768522968711
1974	1.1648588791861982
1975	2.9253239873079764
1976	3.9359057018072576
1977	3.2452907244439757
1978	3.763361556169457
1979	3.196626183131329
1980	1.2279433089925647
1981	1.5645476189932879
1982	1.75541697479143
1983	3.2936635099149782
1984	3.011828165725447
1985	3.7303787922843696
1986	3.9047205162192853
1987	3.4302027967462436
1988	3.837894913225327
1989	3.1990930449205592
1990	2.7911507882159867
1991	1.3768130478369045
1992	2.4516167412339342
1993	1.5822994800457337
1994	2.546853998339472
1995	2.2448083257554003
1996	2.563962921641874
1997	2.5797012543075795
1998	3.009625203058363
1999	3.875463632869895
2000	3.6593834748898075
2001	2.533594245995374
2002	2.306870314502035
2003	2.247921078207284
2004	2.615711331391296
2005	2.585600435824702
2006	2.3047724190744105
2007	2.3376239347230268
2008	0.7826271582402882
2009	-0.18382421168932694
2010	1.6986296603236326
2011	0.7512766543686098
2012	0.7741668906185311
2013	1.0339430718897091
2014	1.5616284938594305
2015	2.306430644246447
2016	2.0937399094470805
2017	1.9718054798884026
2018	2.022778504950381
2019	1.807329399722306
2020	-3.5161122012204515
2021	5.5127933527964785
2022	2.621192608810844