1997 1996 1995 1994 1993 1992 1991 $833,348 $758,646 $703,959 $593,503 $533,327 $482,104 $457,692 250,273 222,874 197,979 166,599 152,236 133,574 129,858 30.0 % 29.4 % 28.1 % 28.1 % 28.5 % 27.7 % 28.4 % 82,715 75,642 65,531 52,079 45,246 41,249 41,304 9.9 % 10.0 % 9.3 % 8.8 % 8.5 % 8.6 % 9.0 % 2,358 2,905 3,089 3,362 2,723 2,681 3,526 79,094 71,120 63,172 50,193 44,682 41,721 39,385 28,474 27,684 24,636 18,244 16,468 15,952 15,337 36.0 % 38.9 % 39.0 % 36.3 % 36.9 % 38.2 % 38.9 % 50,620 43,436 38,536 31,949 (1) 28,214 25,769 24,048 6.1 % 5.7 % 5.5 % 5.4 % 5.3 % 5.3 % 5.3 % 21.4 % 19.3 % 18.8 % 17.6 % 16.9 % 17.2 % 18.0 % 20.8 % 18.5 % 17.6 % 16.0 % 15.0 % 14.8 % 14.9 % 467,501 402,850 381,042 337,360 300,217 286,348 253,194 283,367 250,751 247,904 220,308 196,014 187,360 169,398 177,346 138,578 123,747 115,757 93,666 89,956 77,537 106,021 112,173 124,157 104,551 102,348 97,404 91,861 1.6 1.8 2.0 1.9 2.1 2.1 2.2 42,674 13,145 20,800 16,956 7,595 11,425 6,380 4,201 10,041 10,167 16,028 18,920 23,482 25,673 46,875 23,186 30,967 32,984 26,515 34,907 32,053 243,865 228,880 221,173 189,697 174,008 160,303 138,947 1.7 % 4.2 % 4.4 % 7.8 % 9.8 % 12.8 % 15.6 % 154,595 124,913 110,640 99,559 90,515 84,899 72,863 47,327 39,297 25,334 24,642 15,005 15,538 16,208 21,494 21,674 20,529 16,365 14,752 14,047 12,187 .99 .84 .73 .59 (1) .51 .46 .42 .17 .15 .14 .12 .10 .09 .07 4.93 4.52 4.23 3.58 3.19 2.91 2.51 49,452 50,650 52,370 53,020 54,564 55,138 55,478 20.38 14.00 14.00 13.06 10.06 7.94 6.56 12.69 11.94 10.94 9.13 7.00 5.19 4.06 9