Year	annual % growth
1972	0.6252948170116781
1973	5.0959546494482595
1974	10.698450401596432
1975	-2.498516718799195
1976	1.2530810696246988
1977	9.876259767081478
1978	10.981305981422679
1979	20.080363444638948
1980	6.902887684572548
1981	21.91008027491715
1982	1.6154155327369892
1983	9.009531561950766
1984	8.51377239463902
1985	5.6348769448106
1986	1.937985503151367
1987	2.863248585478928
1988	0.3818878996782189
1989	3.0697120820018
1990	-4.682210376981416
1991	5.838338923715952
1992	3.889961032854373
1993	7.36955320241168
1994	4.948383175736353
1995	0.8829549848185252
1996	5.268827272365797
1997	6.53631749233503
1998	6.975234115906417
1999	4.155825025974821
2000	3.9359073893265446
2001	2.648545849113006
2002	4.376556116569446
2003	10.942555741873946
2004	1.6381354926848388
2005	3.5761628183223877
2006	6.10490167341662
2007	5.902300241290732
2008	1.807748008195233
2009	11.40841584937904
2016	5.811391855321219
2017	6.053893038048884
2018	1.846759754307854
2019	-0.7460475100946553
2020	-3.0690305752624596
2021	1.6475508034867516