| Twenty Year Price Statistics |
| Year | Average Sales Price | Change From Previous Year | Percentage Change |
| 1985 | $85,700 | +$4,500 | +5.54% |
| 1986 | $91,500 | +$5,800 | +6.77% |
| 1987 | $97,000 | +$5,500 | +6.01% |
| 1988 | $95,000 | -$2,000 | -2.06% |
| 1989 | $96,600 | +$1,600 | +1.68% |
| 1990 | $99,600 | +$3,000 | +3.11% |
| 1991 | $102,700 | +$3,100 | +3.11% |
| 1992 | $107,700 | +$5,000 | +4.87% |
| 1993 | $117,800 | +$10,100 | +9.38% |
| 1994 | $126,100 | +$8,300 | +7.05% |
| 1995 | $134,200 | +$8,100 | +6.42% |
| 1996 | $138,653 | +$4,453 | +3.32% |
| 1997 | $144,871 | +$6,281 | +4.48% |
| 1998 | $147,720 | +$2,849 | +1.97% |
| 1999 | $150,264 | +$2,544 | +1.72% |
| 2000 | $150,023 | -$241 | -0.16% |
| 2001 | $152,399 | +$2,376 | +1.58% |
| 2002 | $158,717 | +$6,318 | +4.15% |
| 2003 | $166,703 | +$7,986 | +5.03% |
| 2004 | $182,900 | +15,787 | +9.47% |
| 2005 | $204,502 | +22,012 | +12.06% |
| 2006 | $222,663 | +24,161 | +11.81% |
| 2007 | $243,089 | +14,426 | +6.31% |
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