Year	annual % growth
1965	111.34637761320411
1966	-4.7403854201944995
1967	-15.134272652034639
1968	-6.082454206860689
1969	116.47708562874425
1970	76.20099511929311
1971	17.471008973604214
1972	-37.93924339910224
1973	16.489060868342804
1974	11.994620715062965
1975	30.283090068143593
1976	10.421592558688246
1977	4.681047296547263
1978	3.263712930902244
1979	-0.12677723898923432
1980	10.649920695942356
1981	-4.001391663307487
1982	-10.248044332555565
1983	1.1639044566415464
1984	-12.536533104426113
1985	-21.269937349791974
1986	23.43689119431363
1987	22.874847983074417
1988	-0.036786605587110444
1989	3.943251716346751
1990	-1.7925588924465927
1991	-0.7649706927009419
1992	-1.3283416728116322
1993	-2.6083287320974193
1994	12.721680594468879
1995	-3.285024939251059
1996	5.042390091096038
1997	25.55006381151243
1998	6.359833742931016
1999	6.467640463721324
2000	10.402379242581844
2001	2.8442455658132246
2002	2.436545571279254
2003	11.972921974081729
2004	-0.7018660397002208
2005	2.2949808215672647
2006	18.537809192184667
2007	4.724959502474249
2008	5.522740713815935
2009	6.704450256405977
2010	5.202215962589207
2011	6.415581237234051
2012	2.5387488333674497
2013	4.7578597625774535
2014	10.558285573780537
2015	5.003653827256983
2016	0.418934254629022
2017	11.51162321238506
2018	7.934173761297217
2019	5.303547630857651
2020	-4.2288865753174605
2021	4.742205558269561
2022	8.1104890138417
2023	1.6833002397216035