Year	annual % growth
1971	3.5406543733405442
1972	3.2348804072695856
1973	3.090131696312227
1974	3.5494005131639312
1975	5.544643271605139
1976	2.6239826029373035
1977	2.0168768734557574
1978	3.3481498417140045
1979	2.566744096654446
1980	1.181688106289272
1981	2.87680023338595
1982	2.279495131015281
1983	2.348409530293381
1984	1.709968518513321
1985	3.63761454142913
1986	3.0496429446276636
1987	2.6559491674171625
1988	2.3237977298824006
1989	2.632883284922144
1990	3.4361571963049045
1991	1.707775689052852
1992	1.0148383858968941
1993	1.0867220974251097
1994	1.0372016677318499
1995	1.69408519772783
1996	1.2391962118891655
1997	1.5082758777356275
1998	2.118420290643442
1999	2.6649482932960495
2000	2.336903579102099
2001	2.7924478891328164
2002	2.9142340711623547
2003	2.149796261483189
2004	2.0872275441580257
2005	1.8648380799883597
2006	2.3063877262603114
2007	2.3846992624788186
2008	2.7418862305818976
2009	3.4655668353635463
2010	1.2262942043315945
2011	0.6347778337173082
2012	0.901550054599511
2013	0.801282602166026
2014	1.184720237336137
2015	1.5776194833276804
2016	1.6199215558763314
2017	1.3635719853963195
2018	1.9274343396214562
2019	2.6968744701616885
2020	1.2522300032551357
2021	3.6526782374283897
2022	1.701325784320204