ECONOMIC

TABLE C-73.—Average length and maturity distribution of marketable interest-bearingpublic debt, 1946-73End of year or monthAmountoutstandingWithin1 yearIto5yearsMaturity class»5 to 10years10 to 20years20 yearsand overAverage lengthMillions of dollarsYearsMonthsFiscal year:194619471948 .194919501951195219531954189,606168, 702160, 346155,147155,310137,917140, 407147,335150,35461,97451,21148, 74248,13042,33843,90846,36765, 27062, 73424, 76321, 85121,63032, 56251, 29246, 52647, 81436,16129, 86641, 80735, 56232, 26416, 7467,7928,70713,93315,65127, 51517,46118, 59716, 22922, 82128,03529,97925, 70028,66228,63443, 59941,48141,48134, 88825, 8538,7976,5941,5921,6069998g65515292784619551956195719581959155, 206154,953155, 705166,675178, 02749, 70358,71471,95267, 78272,95839,10734, 40140,66942, 55758, 30434, 25328,90812, 32821, 47617, 05228,61328, 57826,40727,65221,6253,5304,3514,3497,2088,0885545410 4937I9601961196219631964183, 845187,148196,072203,508206,48970,46781,12088, 44285, 29481,42472, 84458,40057,04158,02665,45320, 24626, 43526,04937, 38534,92912,63010, 2339,3198,3608,3557,65810,96015,22114, 44416,32846111o444455544 443196519661967196819691970197119721973208,695209,127210,672226, 592226,107232, 599245, 473257, 202262,97187,63789,13689,648106,407103,910105, 530112,772121,944122,80356,19860, 93371,42464, 47062, 77089,61589, 07489,00488, 22339,16933, 59624, 37830, 75434, 83715, 88224, 50326, 85231,1118,4498,4398,4258,4078,37410, 5248,4559,34314, 47717, 24117, 02316,79716, 55316, 21711,04810,67010, 0596,357333117 208621972- JanFebMarAprMayJuneJulyAugSeptOct - .NovDec261,918261,215265,380262,989261,924257, 202257,717258,095257, 720260,863265,621269, 509119,152122, 067126,315122,263126,617121,944122, 528121, 589121,260122, 442128, 569130, 42293,64693,08993,10694, 84989,00589,00489,00485, 73085, 73087,76286, 46488, 56429,31826,34726, 34926,34826,85326,85226,85229,14929,14829,14729,14629,1439,4849,4599,4199,3929,3639,3439,31815,41915,39415, 36315, 33015, 30110,31710, 25310,19110,13710,08610, 05910,0156,2086,1886,1516,1126,0793333333333333333334433332443211973:Jan . .FebMar . .AprMayJune271,121269,881269,775267, 847265,919262,971131,454130, 205130,187128, 359125,697122, 80388, 57295,42295,42595, 39288, 22288,22329,14222, 35722,35622,35629,62031,11115,27116,11416, 05816,02215,99614,4776,6825,7835,7485,7186,3856,357110032JulyAugSeptOctNovDec262,708262,405262,356264, 047270,234270,224122,602129,072129,114130,940139,433141,57188,22380,59480,57680, 53583, 81781,71531,10831,10631,10331,10225,13625,13414,45715, 34515,31715, 26915,67915,6596,3186,2886,2456,2016,1696,145333333232110Mote.—All issues classified to final maturity except partially tax-exempt bonds, which were classified to earliest calldate (the last of these bonds were called on August 14,1962 for redemption on December 15,1962).Source: Department of the Treasury.334