Economic Report of the President

TABLE B-81.—Maturity distribution and average length of marketable interest-bearing public debt securitiesheld by private investors, 1967-82End of year or monthAmountoutstanding,privatelyheldWithinlyearIto5yearsMaturity class5 to 10years10 to 20years20 yearsand overAverage lengthMillions of dollarsYearsMonthsFiscal year:1967196819691970197119721973197419751976197719781979198019811982150,321159,671156,008157,910161,863165,978167,869164,862210,382279,782326,674356,501380,530463,717549,863682,04356,56166,74669,31176,44374,80379,50984,04187,150115,677151,723161,329163,819181.883220,084256,187314,43653,58452,29550,18257,03558,55757,15754,13950,10365,85289,151113,319132,993127,574156,244182,237221,78321,05721,85018,0788,28614,50316,03316,38514,19715,38524,16933,06733,50032,27938,80948,74375,7496,1536,1106,0977,8766,3576,3588,7419,9308,8578,0878,42811,38318,48925,90132,56933,01712,96812,67012,3378,2727,6456,9224,5643,4814,6116,65210,53114,80520,30422,67930,12737,058543333222233315286311187113790111981:JanFebMarMay"!!"!!!JuneJulyAugSeptOctNovDec502,248515,178532,800528,992529,057531,525533,778540,228549,863558,169569,534580,670247,958256,007263,208254,533258,101252,489251,307251,533256,187263,717266,163275,322156,845160,163167,226167,570167,865172,784171,504180,669182,237177,834189,570188,42243,96943,38246,78649,61643,84247,03250,24245,29748,74352,20147,61550,85127,24128,69028,66228,58730,29630,26830,17232,60232,56932,53634,16434,05526,23526,93626,91828,68528,95328,95230,55330,12730,12731,88132,02232,020433333334491091011110100 101982:JanFebMarMayJuneJulyAugSeptOctNovDec590,139604,671619,030613,576618,699628,997634,556660,583682,043685,969708,769736,148284,171290,697295,476289,000290,476293,266295,118309,446314,436321,081327,565346,321183,843194,457200,544199,278203,612207,106206,380217,258221,783218,673235,443239,26254,37049,12052,61255,32954,36158,42563,02266,34775,74975,94472,64477,57034,06935,81935,82235,56535,70135,65135,58333.09733,01733,06535,75035,67733,68634,57834,57634,40434,54934,54934,45334,43537,05837,20637,36737,31844 4 44 333330100 1001111101110Note.—All issues classified to final maturity.Through fiscal year 1976, the fiscal year was on a July 1—June 30 basis; beginning October 1976 (fiscal year 1977), the fiscal yearis on an October 1—September 30 basis.Source: Department of the Treasury.256