1990 1 0.6 1991 1 0.2 1992 1 1.1 1993 1 0.5 1994 1 0.1 1995 1 1.2 1996 1 -0.3 1997 1 -0.1 1998 1 2.2 1999 1 -0.7 2000 1 -1.1