1978 through December 2006

| Calendar Year | Coverage |
|---|---|
| 1978 | $50,500,956,000 |
| 1979 | $74,375,240,000 |
| 1980 | $99,259,942,000 |
| 1981 | $102,059,859,000 |
| 1982 | $107,296,802,000 |
| 1983 | $117,834,255,000 |
| 1984 | $124,421,281,000 |
| 1985 | $139,948,260,000 |
| 1986 | $155,717,168,000 |
| 1987 | $165,053,402,000 |
| 1988 | $175,764,175,000 |
| 1989 | $265,218,590,000 |
| 1990 | $213,588,265,000 |
| 1991 | $223,098,548,000 |
| 1992 | $236,844,980,000 |
| 1993 | $267,870,761,000 |
| 1994 | $295,935,328,000 |
| 1995 | $349,137,768,000 |
| 1996 | $400,681,650,000 |
| 1997 | $462,606,433,000 |
| 1998 | $497,621,083,000 |
| 1999 | $534,117,781,000 |
| 2000 | $567,568,653,000 |
| 2001 | $611,918,920,000 |
| 2002 | $653,776,126,000 |
| 2003 | $691,786,140,000 |
| 2004 | $765,205,681,000 |
| 2005 | $876,679,658,000 |
| 2006 | $1,052,932,778,000 |
Last Modified: Thursday, 04-Jun-2009 11:47:03 EDT