Year	annual %
1962	6.472234545560497
1963	4.072474930797185
1964	8.512424226531863
1965	10.292590488271031
1966	5.926016755116521
1967	4.102516091913813
1968	4.254270591565799
1969	8.099254422803881
1970	10.233656696848968
1971	5.718180333639864
1972	5.580497563328905
1973	5.919588821529615
1974	2.33826922833056
1975	-0.04336902149914579
1976	-2.8975189742591283
1977	1.2220801009024598
1978	8.803265793012159
1979	1.503816051531956
1980	-2.274294291982585
1981	-0.5272375280225674
1982	-0.045808694069449984
1983	3.0197950037985635
1984	0.3087128662727707
1985	3.8849309908763274
1986	4.967749627768384
1987	2.248085669467841
1988	3.083466832115093
1989	-1.321415778883022
1990	-3.0062455938630706
1991	9.694271972733915
1992	11.9585511114025
1993	18.396106952020943
1994	6.294548436518838
1995	-2.805163108076883
1996	6.776646064733896
1997	-3.224610693973517
1998	-3.944962862787733
1999	1.4420265675614559
2000	-1.9405327627623166
2001	-0.4806626678077919
2002	-0.04033642772208168
2003	1.189239887704943
2004	3.2347184334268917