Gross debt amount
1800		$82,976,294
1805		82,312,151
1810		53,173,218
1815		99,833,660
1820		91,015,566
1825		83,788,433
1830		48,565,407
1835		33,733
1840		3,573,344
1845		15,925,303
1850		63,452,774
1855		35,586,957
1860		$64,842,288
1865		2,680,647,870
1870		2,480,672,428
1875		2,232,284,532
1880		2,120,415,371
1885		1,863,964,873
1890		1,552,140,205
1895		1,676,120,983
1900		2,136,961,092
1905		2,274,615,064
1910		2,652,665,838
1915		3,058,136,873
1920		$25,952,456,406
1925		20,516,193,888
1930		16,185,309,831
1935		28,700,892,625
1940		42,967,531,038
1945		258,682,187,410
1950		257,357,352,351
1955		280,768,553,189
1960		290,216,815,242
1965		320,904,110,042
1970		389,158,403,690
1975		576,649,000,0001
1980		$930,210,000,0001
1985		1,945,941,616,460
1990		3,233,313,451,777
1995		4,973,982,900,709
1999		5,656,270,901,633
2000		5,674,178,209,887
2001		5,807,463,412,200
2002		6,228,235,965,597
2003		6,783,231,062,744
2004		7,379,052,696,330
2005		7,932,709,661,723