| Period | Total | Business | Non-Business | | 2007 | 850,912 | 28,322 | 822,590 | | 2006 | 617,660 | 19,695 | 597,965 | | 2005 | 2,078,415 | 39,201 | 2,039,214 | | 2004 | 1,597,462 | 34,317 | 1,563,145 | | 2003 | 1,660,245 | 35,037 | 1,625,208 | | 2002 | 1,577,651 | 38,540 | 1,539,111 | | 2001 | 1,492,129 | 40,099 | 1,452,030 | | 2000 | 1,253,444 | 35,472 | 1,217,972 | | 1999 | 1,319,465 | 37,884 | 1,281,581 | | 1998 | 1,442,549 | 44,367 | 1,398,182 | | 1997 | 1,404,145 | 54,027 | 1,350,118 | | 1996 | 1,178,555 | 53,549 | 1,125,006 | | 1995 | 926,601 | 51,959 | 874,642 | | 1994 | 832,829 | 52,374 | 780,455 | | 1993 | 875,202 | 62,304 | 812,898 | | 1992 | 971,517 | 70,643 | 900,874 | | 1991 | 943,987 | 71,549 | 872,438 | | 1990 | 782,960 | 64,853 | 718,107 | | 1989 | 679,461 | 63,235 | 616,226 | | 1988 | 613,465 | 63,853 | 549,612 | | 1987 | 577,999 | 82,446 | 495,553 | | 1986 | 530,438 | 81,235 | 449,203 | | 1985 | 412,510 | 71,277 | 341,233 | | 1984 | 348,521 | 64,004 | 284,517 | | 1983 | 348,880 | 62,436 | 286,444 | | 1982 | 380,251 | 69,300 | 310,951 | | 1981 | 363,943 | 48,125 | 315,818 | | 1980 | 331,264 | 43,694 | 287,570 |
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