Year	annual % growth
1972	6.006847369100356
1973	9.503455051266414
1974	2.134316468987805
1975	3.6606055789815173
1976	14.813349128259873
1977	9.770812184140837
1978	10.36500276162981
1979	4.440818883294597
1980	-8.049858451277913
1981	4.040222597604682
1982	7.0090454315310495
1983	11.799980959605037
1984	9.442437090956915
1985	4.973586894009927
1986	11.98749692441777
1987	12.902449287703988
1988	10.731877401150854
1989	6.923342432417144
1990	7.341172265165639
1991	9.660351939940242
1992	4.302057625946574
1993	5.894751019065808
1994	8.433513980417544
1995	5.9200164346113695
1996	4.856427666263329
1997	2.459639488067623
1998	-9.225701242996493
1999	9.31380458461399
2000	5.934009307767468
2001	3.102720341528169
2002	8.772285475597627
2003	1.7164189811781512
2004	4.047198870616214
2005	1.6599258352349295
2006	3.3787516113350478
2007	5.720021369046634
2008	-1.7097994097054823
2009	0.8325652418864564
2010	7.496828489717359
2011	0.3585843055143414
2012	1.8953132024422104
2013	3.156339231956636
2014	2.4125898302817177
2015	5.314382017009805
2016	3.725089209240508
2017	3.305572299016319
2018	0.6158881354607786
2019	-1.122259647965052
2020	-1.3785455315064468
2021	3.2585299844951408