January 1979 $224.10 to January 1980 $873.00 = + 289.56% (using Daily data)
January 1980 $873.00 to June 1982 $301.00 = – 65.52% (using weekly data)
June 1982 $301.00 to February 1983 $514.00 = +41.44% (using daily data)
February 1983 $514.00 to March 1985 $290.10 = -43.56% (using weekly data)
March 1985$290.10 to December 1987 $479.80 = +39.33% (using weekly data)
December 1987 $479.80 to September 1989 $365.20 = -23.88% (using daily data)
