Year	annual % growth
1973	3.0116701658853486
1974	38.70034879640596
1975	30.841098679235557
1976	24.301534190051655
1977	6.335072348767312
1978	-12.92033121612603
1979	-28.06566453994371
1980	15.130730309440892
1981	-6.057787525728372
1982	-3.605589008305742
1983	20.30223684266879
1984	-14.107139893001772
1985	-3.6384229402541592
1986	-7.388407867689523
1987	-8.412990920868552
1988	-20.503022134979503
1989	12.777563671623795
1990	11.039923439305738
1991	15.364796191510877
1992	-6.294276611289348
1993	-21.064208518979115
1994	-15.254144639204355
1995	16.438781737715487
1996	17.198033588489707
1997	-0.6537552046186192
1998	3.4704955875626666
1999	2.060934602543597
2000	3.8810302640459753
2001	14.611073727963173
2002	14.320812697917205
2003	13.261363642097066
2004	6.511549557430143
2005	-0.004897932486812806
2006	5.687423879402203
2007	13.683614853026384
2008	13.572535179375265
2009	2.2803546247209567
2010	10.48399231641477
2011	-3.6766215337372756
2012	-0.4149199144556093
2013	-1.2715500301090543
2014	2.909592186762893
2015	-15.974726460241143
2016	12.950708460787936
2017	4.2759082699325575
2018	0.10494238466871764
2019	-3.1322415049654353
2020	-4.23064286036869
2021	5.966326616641226
2022	2.759901648625899
2023	1.0165128301572253