Do the math on the national debt:

Date               Debt

09/30/2010        $13,561,623,030,891.78
09/30/2000        $5,674,178,209,886.86
09/28/1990        $3,233,313,451,777.25
12/31/1980        $930,210,000,000.00
12/31/1970        $389,158,403,690.26
12/30/1960        $290,216,815,241.68
06/30/1950        $257,357,352,351.04
06/29/1940        $42,967,531,037.68
06/30/1930        $16,185,309,831.43
07/01/1920        $25,952,456,406.16
07/01/1910        $2,652,665,838.04
07/01/1900        $2,136,961,091.67
07/01/1890        $1,552,140,204.73
07/01/1880        $2,120,415,370.63
07/01/1870        $2,480,672,427.81
07/01/1860        $64,842,287.88
07/01/1850        $63,452,773.55
01/01/1840        $3,573,343.82
01/01/1830        $48,565,406.50
01/01/1820        $91,015,566.15
01/01/1810        $53,173,217.52
01/01/1800        $82,976,294.35