Year	annual % growth
1971	3.0256577231892976
1972	2.7957301843802895
1973	2.634280755068289
1974	3.023314003884849
1975	4.649797176513417
1976	2.0026790875247826
1977	2.22037632247995
1978	3.2022401419227577
1979	2.2426149638239252
1980	2.5533652511965386
1981	2.723755655840179
1982	2.0367062855894034
1983	2.496545145034659
1984	1.7692922827695412
1985	3.2996832157526654
1986	3.095211631514431
1987	2.473740903090544
1988	2.2549820846694075
1989	2.2618552522990285
1990	2.99229641240683
1991	1.8366359355785278
1992	1.0904005645878243
1993	0.6555128229949645
1994	0.8876206242068889
1995	1.0629348486770311
1996	1.1882719557370507
1997	1.236112538194135
1998	2.028111732561527
1999	2.6520738871720795
2000	2.315155908182433
2001	2.8967649543748593
2002	2.932701770833063
2003	2.0512006583810205
2004	1.7994996745988203
2005	1.4844187361542538
2006	1.840976028036522
2007	1.9833343567632795
2008	2.4077604590196273
2009	3.0530326973139665
2010	0.8058307419999551
2011	-0.162657546611797
2012	0.3507563029002938
2013	0.2755890204137188
2014	0.8560856508699857
2015	1.391446982710562
2016	1.4593640916152282
2017	1.061280478478949
2018	1.658133080983987
2019	2.8275772701251753
2020	1.6167021733167815
2021	3.635352457789679
2022	1.3528396955256454