Year	annual % growth
1965	2.362207628905665
1966	-5.269686478031744
1967	-12.39316359454844
1968	-6.8831182029334315
1969	11.769977684941168
1970	9.151555677648176
1971	4.986856115230111
1972	16.323276010195002
1973	1.1463251839582114
1974	15.322105187906402
1975	19.333879277586277
1976	49.84507195394613
1977	0.6777095377514826
1978	-13.601612013887092
1979	-11.824218447543487
1980	5.7538855837258325
1981	-6.613442576805667
1982	-19.234704287210818
1983	6.7649302602759604
1984	-9.895499511685344
1985	-3.679174145150739
1986	-14.223041034416141
1987	7.658589177824851
1988	5.099830962266935
1989	4.246453211952868
1990	-2.812319399692342
1991	-25.06780898535645
1992	-25.06780806563512
1993	2.2294095316259614
1994	-0.6189040529594081
1995	-2.0830912047984356
1996	6.824007399835978
1997	0.1946798124637752
1998	15.523588450441821
1999	4.631444675818003
2000	-0.08219990197848404
2001	-0.3408681673217018
2002	3.8740395096830866
2003	2.4799024099398537
2004	5.745128773181676
2005	-4.5320884091483435
2006	2.881257495542684
2007	2.8548505108318807
2008	5.767402725713495
2009	3.1288516514595557
2010	3.1741873412653376
2011	-9.083729242395066
2012	15.485800508247507
2013	1.2603344888478745
2014	4.566510076566004
2015	6.0255797713991655
2016	2.6561613787163765
2017	5.562173524239043
2018	5.509212210899818
2019	10.152998298735213
2020	-4.404815072548175
2021	26.76215914295028
2022	22.34513461964191
2023	3.8807381903730658