Month	Dollars
1950-12-01	110770000
1951-12-01	60200000
1952-12-01	39020000
1953-12-01	48020000
1954-12-01	48020000
1955-12-01	67000000
1956-12-01	91000000
1957-01-01	99000000
1957-02-01	79000000
1957-03-01	81000000
1957-04-01	110000000
1957-05-01	92000000
1957-06-01	77000000
1957-07-01	114000000
1957-08-01	98000000
1957-09-01	92000000
1957-10-01	134000000
1957-11-01	116000000
1957-12-01	108000000
1958-01-01	143000000
1958-02-01	130000000
1958-03-01	140000000
1958-04-01	149000000
1958-05-01	123000000
1958-06-01	123000000
1958-07-01	166000000
1958-08-01	146000000
1958-09-01	134000000
1958-10-01	166000000
1958-11-01	134000000
1958-12-01	113000000
1959-01-01	141000000
1959-02-01	110000000
1959-03-01	89000000
1959-04-01	140000000
1959-05-01	98000000
1959-06-01	70000000
1959-07-01	115070000
1959-08-01	87070000
1959-09-01	56570000
1959-10-01	91770000
1959-11-01	61770000
1959-12-01	76770000
1960-01-01	121520000
1960-02-01	94520000
1960-03-01	70520000
1960-04-01	69520000
1960-05-01	70020000
1960-06-01	42020000
1960-07-01	97000000
1960-08-01	72000000
1960-09-01	47000000
1960-10-01	90000000
1960-11-01	55000000
1960-12-01	53000000
1961-01-01	88000000
1961-02-01	71000000
1961-03-01	60000000
1961-04-01	101000000
1961-05-01	70000000
1961-06-01	52000000
1961-07-01	113000000
1961-08-01	76000000
1961-09-01	80000000
1961-10-01	109000000
1961-11-01	80000000
1961-12-01	79000000
1962-01-01	100000000
1962-02-01	73000000
1962-03-01	54000000
1962-04-01	123000000
1962-05-01	93000000
1962-06-01	80000000
1962-07-01	137000000
1962-08-01	116000000
1962-09-01	81000000
1962-10-01	145500000
1962-11-01	118500000
1962-12-01	81500000
1963-01-01	149500000
1963-02-01	126500000
1963-03-01	94500000
1963-04-01	160500000
1963-05-01	141500000
1963-06-01	115500000
1963-07-01	170500000
1963-08-01	130500000
1963-09-01	96500000
1963-10-01	171500000
1963-11-01	139500000
1963-12-01	99510000
1964-01-01	158500000
1964-02-01	128500000
1964-03-01	102500000
1964-04-01	163500000
1964-05-01	125500000
1964-06-01	79500000
1964-07-01	135500000
1964-08-01	92500000
1964-09-01	71500000
1964-10-01	106010000
1964-11-01	64010000
1964-12-01	50010000
1965-01-01	69010000
1965-02-01	48010000
1965-03-01	205010000
1965-04-01	274010000
1965-05-01	224010000
1965-06-01	175010000
1965-07-01	231470000
1965-08-01	180470000
1965-09-01	137470000
1965-10-01	222470000
1965-11-01	163470000
1965-12-01	105480000
1966-01-01	188470000
1966-02-01	149470000
1966-03-01	155230000
1966-04-01	207230000
1966-05-01	160230000
1966-06-01	112230000
1966-07-01	199230000
1966-08-01	147230000
1966-09-01	150230000
1966-10-01	150230000
1966-11-01	141230000
1966-12-01	138230000
1967-01-01	135230000
1967-02-01	129230000
1967-03-01	110230000
1967-04-01	124230000
1967-05-01	138230000
1967-06-01	149230000
1967-07-01	135230000
1967-08-01	122230000
1967-09-01	119230000
1967-10-01	129230000
1967-11-01	141230000
1967-12-01	180250000
1968-01-01	212250000
1968-02-01	199000000
1968-03-01	193000000
1968-04-01	203000000
1968-05-01	187000000
1968-06-01	148000000
1968-07-01	123000000
1968-08-01	106270000
1968-09-01	109270000
1968-10-01	104270000
1968-11-01	106010000
1968-12-01	133000000
1969-01-01	124000000
1969-02-01	118000000
1969-03-01	110000000
1969-04-01	127000000
1969-05-01	146000000
1969-06-01	137000000
1969-07-01	90010000
1969-08-01	80010000
1969-09-01	155010000
1969-10-01	163010000
1969-11-01	151010000
1969-12-01	152010000
1970-01-01	119010000
1970-02-01	115010000
1970-03-01	132010000
1970-04-01	140010000
1970-05-01	117010000
1970-06-01	103010000
1970-07-01	121010000
1970-08-01	83010000
1970-09-01	64010000
1970-10-01	72010000
1970-11-01	75000000
1970-12-01	77000000
1971-01-01	90540000
1971-02-01	113540000
1971-03-01	154540000
1971-04-01	138160000
1971-05-01	114160000
1971-06-01	182160000
1971-07-01	229160000
1971-08-01	259160000
1971-09-01	194160000
1971-10-01	246160000
1971-11-01	221170000
1971-12-01	479270300
1972-01-01	390739500
1972-02-01	435750400
1972-03-01	635750400
1972-04-01	653088100
1972-05-01	665088100
1972-06-01	683031000
1972-07-01	638031000
1972-08-01	676659600
1972-09-01	653659600
1972-10-01	622173900
1972-11-01	610173900
1972-12-01	818259600
1973-01-01	845463100
1973-02-01	805402900
1973-03-01	1003402900
1973-04-01	974847900
1973-05-01	959847900
1973-06-01	1038847900
1973-07-01	1048847900
1973-08-01	986847900
1973-09-01	832847900
1973-10-01	617860000
1973-11-01	621860000
1973-12-01	1078479000
1974-01-01	1059479000
1974-02-01	1346479000
1974-03-01	2001479000
1974-04-01	2506984400
1974-05-01	3610984400
1974-06-01	5280984400
1974-07-01	5922698600
1974-08-01	6147699500
1974-09-01	6492656500
1974-10-01	7251713700
1974-11-01	7345368900
1974-12-01	8223195900
1975-01-01	8340982300
1975-02-01	9828973800
1975-03-01	8168929300
1975-04-01	9037634100
1975-05-01	9510160300
1975-06-01	9523016400
1975-07-01	8848092200
1975-08-01	9013020300
1975-09-01	8710096700
1975-10-01	8507553700
1975-11-01	8480966200
1975-12-01	8743598000
1976-01-01	8011231800
1976-02-01	8560216700
1976-03-01	7887574100
1976-04-01	7799993600
1976-05-01	8477620500
1976-06-01	8470855600
1976-07-01	8275797300
1976-08-01	8906096400
1976-09-01	9476735900
1976-10-01	8391216600
1976-11-01	8973490200
1976-12-01	8681248500
1977-01-01	8814231100
1977-02-01	9990885300
1977-03-01	10203235600
1977-04-01	10395521300
1977-05-01	11307748900
1977-06-01	10872276400
1977-07-01	11439054700
1977-08-01	11408924000
1977-09-01	11308672700
1977-10-01	11390295100
1977-11-01	11354911100
1977-12-01	12105789000
1978-01-01	12687639600
1978-02-01	13565753400
1978-03-01	12316868000
1978-04-01	12419810700
1978-05-01	12305183600
1978-06-01	11901817400
1978-07-01	11813352200
1978-08-01	11779058200
1978-09-01	11552790400
1978-10-01	11770332800
1978-11-01	11523073900
1978-12-01	11977233700
1979-01-01	11653029800
1979-02-01	12666345200
1979-03-01	11739054600
1979-04-01	10892384600
1979-05-01	10643327700
1979-06-01	11016435900
1979-07-01	11519329700
1979-08-01	11963226700
1979-09-01	12451794500
1979-10-01	13562496300
1979-11-01	14714870500
1979-12-01	15209641200
1980-01-01	14702444900
1980-02-01	14461822700
1980-03-01	14886640000
1980-04-01	15925222000
1980-05-01	15394274300
1980-06-01	15488101700
1980-07-01	14958967200
1980-08-01	14124625700
1980-09-01	13031187900
1980-10-01	12386480200
1980-11-01	11487066700
1980-12-01	10222910300
1981-01-01	10680601900
1981-02-01	8435252200
1981-03-01	4174965700
1981-04-01	5098705100
1981-05-01	4587522100
1981-06-01	4547887400
1981-07-01	4058028700
1981-08-01	3231429400
1981-09-01	3819088000
1981-10-01	2620352700
1981-11-01	2030278300
1981-12-01	1605410400
1982-01-01	1064036700
1982-02-01	1185870900
1982-03-01	1323821500
1982-04-01	1505212100
1982-05-01	1678207700
1982-06-01	1970818200
1982-07-01	3002662100
1982-08-01	3289624000
1982-09-01	3402255700
1982-10-01	4476146100
1982-11-01	5707699900
1982-12-01	5701205800
1983-01-01	6655572700
1983-02-01	6332867100
1983-03-01	6849689300
