1985 3.53% 3.52% 3.70% 3.69% 3.77% 3.76% 3.55% 3.35% 3.14% 3.23% 3.51% 3.80% 3.55% 1984 4.19% 4.60% 4.80% 4.56% 4.23% 4.22% 4.20% 4.29% 4.27% 4.26% 4.05% 3.95% 4.30% 1983 3.71% 3.49% 3.60% 3.90% 3.55% 2.58% 2.46% 2.56% 2.86% 2.85% 3.27% 3.79% 3.22% 1982 8.39% 7.62% 6.78% 6.51% 6.68% 7.06% 6.44% 5.85% 5.04% 5.14% 4.59% 3.83% 6.16% 1981 11.83% 11.41% 10.49% 10.00% 9.78% 9.55% 10.76% 10.80% 10.95% 10.14% 9.59% 8.92% 10.35% 1980 13.91% 14.18% 14.76% 14.73% 14.41% 14.38% 13.13% 12.87% 12.60% 12.77% 12.65% 12.52% 13.58% 1979 9.28% 9.86% 10.09% 10.49% 10.85% 10.89% 11.26% 11.82% 12.18% 12.07% 12.61% 13.29% 11.22% 1978 6.84% 6.43% 6.55% 6.50% 6.97% 7.41% 7.70% 7.84% 8.31% 8.93% 8.89% 9.02% 7.62% 1977 5.22% 5.91% 6.44% 6.95% 6.73% 6.87% 6.83% 6.62% 6.60% 6.39% 6.72% 6.70% 6.50% 1976 6.72% 6.29% 6.07% 6.05% 6.20% 5.97% 5.35% 5.71% 5.49% 5.46% 4.88% 4.86% 5.75% 1975 11.80% 11.23% 10.25% 10.21% 9.47% 9.39% 9.72% 8.60% 7.91% 7.44% 7.38% 6.94% 9.20% 1974 9.39% 10.02% 10.39% 10.09% 10.71% 10.86% 11.51% 10.86% 11.95% 12.06% 12.20% 12.34% 11.03% 1997 3.04% 3.03% 2.76% 2.50% 2.23% 2.30% 2.23% 2.23% 2.15% 2.08% 1.83% 1.70% 2.34% 1996 2.73% 2.65% 2.84% 2.90% 2.89% 2.75% 2.95% 2.88% 3.00% 2.99% 3.26% 3.32% 2.93% 1995 2.80% 2.86% 2.85% 3.05% 3.19% 3.04% 2.76% 2.62% 2.54% 2.81% 2.61% 2.54% 2.81% 1994 2.52% 2.52% 2.51% 2.36% 2.29% 2.49% 2.77% 2.90% 2.96% 2.61% 2.67% 2.67% 2.61% 1993 3.26% 3.25% 3.09% 3.23% 3.22% 3.00% 2.78% 2.77% 2.69% 2.75% 2.68% 2.75% 2.96% 1992 2.60% 2.82% 3.19% 3.18% 3.02% 3.09% 3.16% 3.15% 2.99% 3.20% 3.05% 2.90% 3.03% 1991 5.65% 5.31% 4.90% 4.89% 4.95% 4.70% 4.45% 3.80% 3.39% 2.92% 2.99% 3.06% 4.25% 1990 5.20% 5.26% 5.23% 4.71% 4.36% 4.67% 4.82% 5.62% 6.16% 6.29% 6.27% 6.11% 5.39% 1989 4.67% 4.83% 4.98% 5.12% 5.36% 5.17% 4.98% 4.71% 4.34% 4.49% 4.66% 4.65% 4.83% 1988 4.05% 3.94% 3.93% 3.90% 3.89% 3.96% 4.13% 4.02% 4.17% 4.25% 4.25% 4.42% 4.08% 1987 1.46% 2.10% 3.03% 3.78% 3.86% 3.65% 3.93% 4.28% 4.36% 4.53% 4.53% 4.43% 3.66% 1986 3.89% 3.11% 2.26% 1.59% 1.49% 1.77% 1.58% 1.57% 1.75% 1.47% 1.28% 1.10% 1.91% 2009 0.03% 0.24% -0.38% -0.74% -1.28% -1.43% -2.10% -1.48% -1.29% 2008 4.28% 4.03% 3.98% 3.94% 4.18% 5.02% 5.60% 5.37% 4.94% 3.66% 1.07% 0.09% 3.85% 2007 2.08% 2.42% 2.78% 2.57% 2.69% 2.69% 2.36% 1.97% 2.76% 3.54% 4.31% 4.08% 2.85% 2006 3.99% 3.60% 3.36% 3.55% 4.17% 4.32% 4.15% 3.82% 2.06% 1.31% 1.97% 2.54% 3.24% 2005 2.97% 3.01% 3.15% 3.51% 2.80% 2.53% 3.17% 3.64% 4.69% 4.35% 3.46% 3.42% 3.39% 2004 1.93% 1.69% 1.74% 2.29% 3.05% 3.27% 2.99% 2.65% 2.54% 3.19% 3.52% 3.26% 2.68% 2003 2.60% 2.98% 3.02% 2.22% 2.06% 2.11% 2.11% 2.16% 2.32% 2.04% 1.77% 1.88% 2.27% 2002 1.14% 1.14% 1.48% 1.64% 1.18% 1.07% 1.46% 1.80% 1.51% 2.03% 2.20% 2.38% 1.59% 2001 3.73% 3.53% 2.92% 3.27% 3.62% 3.25% 2.72% 2.72% 2.65% 2.13% 1.90% 1.55% 2.83% 2000 2.74% 3.22% 3.76% 3.07% 3.19% 3.73% 3.66% 3.41% 3.45% 3.45% 3.45% 3.39% 3.38% 1999 1.67% 1.61% 1.73% 2.28% 2.09% 1.96% 2.14% 2.26% 2.63% 2.56% 2.62% 2.68% 2.19% 1998 1.57% 1.44% 1.37% 1.44% 1.69% 1.68% 1.68% 1.62% 1.49% 1.49% 1.55% 1.61% 1.55%