Year   Return
1971   16.19
1972   17.34
1973  -18.78
1974  -27.87
1975   37.38
1976   26.77
1977   -2.97
1978    8.54
1979   24.40
1980   33.21
1981   -3.98
1982   20.43
1983   22.71
1984    3.27
1985   31.46
1986   15.61
1987    1.75
1988   17.59
1989   28.53
1990   -6.03
1991   33.58
1992    9.02
1993   10.67
1994    0.06
1995   36.41
1996   21.56
1997   31.48
1998   24.31
1999   24.23
2000  -10.89
2001  -10.97
2002  -20.86
2003   31.64
2004   12.48
2005    6.38
2006   15.77