Year	annual % growth
1971	6.718178502698109
1972	6.080160102929426
1973	5.371830315269378
1974	2.9921137838239815
1975	3.2472827936896635
1976	4.544411827624657
1977	6.429880454436486
1978	-1.7055315741709194
1979	4.7467340642375575
1980	2.519914274306757
1981	1.27539454595356
1982	1.9230966157794995
1983	5.434250832849699
1984	-2.12760235931097
1985	1.810879555985153
1986	2.1929636223487705
1987	2.4178093870465176
1988	2.407885590373013
1989	3.588160660620403
1990	4.234835937331056
1991	2.9949875715151535
1992	3.4792941409646687
1993	0.10592309391338972
1994	2.043017879187417
1995	0.8524252563043575
1996	2.9389401999528246
1997	0.4200827862279368
1998	2.9052760396434962
1999	2.41753598273435
2000	3.1164312637759934
2001	1.2809301922467284
2002	0.6819749981534073
2003	1.7428515447713409
2004	2.3208881440413194
2005	2.248423277507939
2006	2.0923932424614833
2007	1.1037244990367725
2008	0.9463191587286701
2009	0.850651872006253
2010	0.9943915041689166
2011	1.3450796099272395
2012	0.5219230802722166
2013	-0.07901782454433715
2014	0.30367840154403325
2015	0.4879381195976862
2016	1.5453536672224573
2017	1.9565562056668426
2018	1.1069882551148567
2019	0.5486692447997257
2020	-8.529047093933855
2021	4.2160646741460965
2022	5.663351185165169
2023	-0.2740014984115646