Year	annual %
1976	10.6194323240401
1977	-0.792039248108509
1978	9.02903174792947
1979	3.45844228272607
1980	11.5948248788833
1981	9.1665519424228
1982	1.30107875705299
1983	1.54271451640859
1984	-3.81616761807587
1985	6.1793487191873
1986	-5.44992006386828
1987	-1.12389458047655
1988	12.88093754157
1989	-12.2712959217322
1990	8.62340399167864
1991	8.09755390670557
1992	13.9940503067816
1993	5.58878750435345
1994	11.7957909445165
1995	5.85933941905921
1996	2.63331518895929
1997	-2.69969199772105
1998	8.03492708081824
1999	-4.12488814645292
2000	1.74174629786488
2001	6.20432576200875
2002	5.33215425497752