Year	annual % growth
1981	-8.451314378230435
1982	-5.666493109795653
1983	3.8283120831080595
1984	7.028727875920239
1985	-7.058665562059602
1986	0.1685991757883727
1987	-2.2111558380857304
1988	4.382898969870226
1989	-9.86443016750421
1990	-7.232667028456703
1991	10.691986763433931
1992	3.416107263033524
1993	8.157920448059983
1994	8.091935888826441
1995	-14.881475996923257
1996	8.966936341668713
1997	2.9787350163479545
1998	-4.752683803985377
1999	-1.8625225427906713
2000	-10.794868767279112
2001	-5.134292858127722
2002	-4.223385585273917
2003	-11.829747082102074
2004	-1.2181756402387123