Month	Dollars
1957-01-01	63162800
1957-02-01	59441900
1957-03-01	64899200
1957-04-01	53426400
1957-05-01	60496100
1957-06-01	47590800
1957-07-01	52013200
1957-08-01	49953800
1957-09-01	51986800
1957-10-01	53372900
1957-11-01	49320100
1957-12-01	56079200
1958-01-01	63604000
1958-02-01	50574300
1958-03-01	62521500
1958-04-01	52646900
1958-05-01	52686500
1958-06-01	51960400
1958-07-01	54112200
1958-08-01	57016500
1958-09-01	57531400
1958-10-01	56924100
1958-11-01	59445500
1958-12-01	59471900
1959-01-01	56000000
1959-02-01	44369600
1959-03-01	60858100
1959-04-01	48607300
1959-05-01	59273900
1959-06-01	54151800
1959-07-01	55894400
1959-08-01	55141900
1959-09-01	57359700
1959-10-01	59775600
1959-11-01	63643600
1959-12-01	61372900
1960-01-01	62600700
1960-02-01	58059400
1960-03-01	63194700
1960-04-01	51247500
1960-05-01	56633700
1960-06-01	52831700
1960-07-01	55894400
1960-08-01	60422400
1960-09-01	60000000
1960-10-01	38895400
1960-11-01	38078600
1960-12-01	38441700
1961-01-01	39916100
1961-02-01	32841300
1961-03-01	25506200
1961-04-01	60633700
1961-05-01	60396000
1961-06-01	78930700
1961-07-01	74099000
1961-08-01	65795400
1961-09-01	64712900
1961-10-01	81122100
1961-11-01	78930700
1961-12-01	93399300
1962-01-01	58178200
1962-02-01	62864700
1962-03-01	84198000
1962-04-01	40092400
1962-05-01	96792100
1962-06-01	63471900
1962-07-01	27273900
1962-08-01	59234300
1962-09-01	66244200
1962-10-01	42495000
1962-11-01	58745900
1962-12-01	162798700
1963-01-01	160396000
1963-02-01	103696400
1963-03-01	35273900
1963-04-01	91141900
1963-05-01	50415800
1963-06-01	57240900
1963-07-01	45438900
1963-08-01	53346500
1963-09-01	41795400
1963-10-01	94072600
1963-11-01	105042900
1963-12-01	81069300
1964-01-01	136092400
1964-02-01	144250800
1964-03-01	114745900
1964-04-01	78323400
1964-05-01	121676600
1964-06-01	75023100
1964-07-01	74587500
1964-08-01	108818500
1964-09-01	93135300
1964-10-01	91683200
1964-11-01	64858100
1964-12-01	148924100
1965-01-01	109861400
1965-02-01	55009900
1965-03-01	115854800
1965-04-01	148910900
1965-05-01	85412500
1965-06-01	127300300
1965-07-01	164066000
1965-08-01	59115500
1965-09-01	69227700
1965-10-01	162521500
1965-11-01	75736000
1965-12-01	131762400
1966-01-01	99036300
1966-02-01	94970300
1966-03-01	141135300
1966-04-01	144528100
1966-05-01	137703000
1966-06-01	90429000
1966-07-01	113280500
1966-08-01	68778900
1966-09-01	150798700
1966-10-01	52937300
1966-11-01	104369600
1966-12-01	112066000
1967-01-01	74508300
1967-02-01	215524800
1967-03-01	105689800
1967-04-01	113729400
1967-05-01	107009900
1967-06-01	47485100
1967-07-01	109425700
1967-08-01	432198000
1967-09-01	82561100
1967-10-01	60699700
1967-11-01	201425700
1967-12-01	378811900
1968-01-01	105518200
1968-02-01	144026400
1968-03-01	159445500
1968-04-01	131260700
1968-05-01	117755800
1968-06-01	142851500
1968-07-01	70244200
1968-08-01	321676600
1968-09-01	144805300
1968-10-01	183115500
1968-11-01	153465300
1968-12-01	207221100
1969-01-01	188765700
1969-02-01	166178200
1969-03-01	176897700
1969-04-01	179353100
1969-05-01	166851500
1969-06-01	141082500
1969-07-01	177623800
1969-08-01	176792100
1969-09-01	195023100
1969-10-01	163287100
1969-11-01	175300300
1969-12-01	192871300
1970-01-01	222151800
1970-02-01	195960400
1970-03-01	242547900
1970-04-01	161808600
1970-05-01	197095700
1970-06-01	177531400
1970-07-01	196184800
1970-08-01	201478500
1970-09-01	212871300
1970-10-01	189505000
1970-11-01	204343200
1970-12-01	201320100
1971-01-01	293808600
1971-02-01	224382800
1971-03-01	346099000
1971-04-01	304105600
1971-05-01	225901000
1971-06-01	414033000
1971-07-01	313069300
1971-08-01	297821800
1971-09-01	363221100
1971-10-01	202613900
1971-11-01	200382800
1971-12-01	638270600
1972-01-01	155052100
1972-02-01	133489800
1972-03-01	157873200
1972-04-01	133792400
1972-05-01	140563400
1972-06-01	139113300
1972-07-01	140795900
1972-08-01	144338100
1972-09-01	141722500
1972-10-01	175524700
1972-11-01	158240900
1972-12-01	178531500
1973-01-01	184886300
1973-02-01	174487600
1973-03-01	205893100
1973-04-01	175677300
1973-05-01	191659500
1973-06-01	190475000
1973-07-01	191801300
1973-08-01	175917800
1973-09-01	221999300
1973-10-01	250044400
1973-11-01	368116800
1973-12-01	338160200
1974-01-01	670098900
1974-02-01	655630500
1974-03-01	774140300
1974-04-01	713949200
1974-05-01	702108200
1974-06-01	717861500
1974-07-01	701766600
1974-08-01	681515500
1974-09-01	687619000
1974-10-01	676946800
1974-11-01	711944700
1974-12-01	707918000
1975-01-01	706053800
1975-02-01	649054500
1975-03-01	666805700
1975-04-01	651884600
1975-05-01	659905400
1975-06-01	594770300
1975-07-01	677456400
1975-08-01	666868000
1975-09-01	770513300
1975-10-01	601250100
1975-11-01	691245100
1975-12-01	627251100
1976-01-01	678986800
1976-02-01	618563000
1976-03-01	768258900
1976-04-01	691410500
1976-05-01	731984700
1976-06-01	766145400
1976-07-01	698074600
1976-08-01	714630700
1976-09-01	750850800
1976-10-01	767483400
1976-11-01	865419800
1976-12-01	883173100
1977-01-01	676566800
1977-02-01	796970200
1977-03-01	860040500
1977-04-01	779257000
1977-05-01	805225600
1977-06-01	683403000
1977-07-01	621638400
1977-08-01	773349000
1977-09-01	766750900
1977-10-01	717335400
1977-11-01	810381900
1977-12-01	924786500
1978-01-01	694233900
1978-02-01	734697100
1978-03-01	732997200
1978-04-01	719871800
1978-05-01	826378000
1978-06-01	720585900
1978-07-01	732687100
1978-08-01	802375800
1978-09-01	813062600
1978-10-01	804806400
1978-11-01	481781100
1978-12-01	496990900
1979-01-01	135233000
1979-02-01	74000000
1979-03-01	311274500
1979-04-01	696056300
1979-05-01	790122100
1979-06-01	798689300
1979-07-01	911333000
1979-08-01	828960300
1979-09-01	905806000
1979-10-01	1015228000
1979-11-01	895892500
1979-12-01	947693700
1980-01-01	780704600
1980-02-01	871162700
1980-03-01	827836300
1980-04-01	882910800
1980-05-01	614088200
1980-06-01	572983000
1980-07-01	694780400
1980-08-01	625308800
1980-09-01	633795700
1980-10-01	136881400
1980-11-01	139564100
1980-12-01	329187400
1981-01-01	382246500
1981-02-01	440666300
1981-03-01	451022700
1981-04-01	395639400
1981-05-01	397314200
1981-06-01	406278600
1981-07-01	270124800
1981-08-01	232497300
1981-09-01	246775200
1981-10-01	178782000
1981-11-01	162647200
1981-12-01	383267500
1982-01-01	463744300
1982-02-01	251707300
1982-03-01	398374900
1982-04-01	318510700
1982-05-01	646888300
1982-06-01	402176600
1982-07-01	812916900
1982-08-01	1493059900
1982-09-01	2101937400
1982-10-01	2230087800
1982-11-01	1946249600
1982-12-01	1902489600
1983-01-01	1730135300
1983-02-01	1808348400
1983-03-01	1730899500
1983-04-01	1255170300
1983-05-01	1502028000
1983-06-01	1589083100
1983-07-01	1773104800
1983-08-01	1644744800
1983-09-01	1726229700
1983-10-01	1610856800
1983-11-01	1462750500
1983-12-01	1545040900
1984-01-01	965050100
1984-02-01	1082764800
1984-03-01	1097835400
1984-04-01	1128048900
1984-05-01	986191200
1984-06-01	1011225600
1984-07-01	1153319700
1984-08-01	871892200
1984-09-01	841524000
1984-10-01	974005800
1984-11-01	1103940100
1984-12-01	1206034600
1985-01-01	702965700
1985-02-01	940556200
1985-03-01	1083526300
1985-04-01	1096474800
1985-05-01	1043651600
1985-06-01	1152733700
1985-07-01	1262469000
1985-08-01	1254080700
1985-09-01	1132289000
1985-10-01	1139693700
1985-11-01	1277014600
1985-12-01	1242490100
1986-01-01	1124274600
1986-02-01	909917400
1998-01-01	1147800000
1998-02-01	1115100000
1998-03-01	1071200000
1998-04-01	1013600000
1998-05-01	1010100000
1998-06-01	981800000
1998-07-01	1176200000
1998-08-01	940500000
1998-09-01	1129000000
1998-10-01	1010900000
1998-11-01	1135600000
1998-12-01	1037000000
1999-01-01	974500000
1999-02-01	976600000
1999-03-01	1085100000
1999-04-01	1149000000
1999-05-01	943000000
1999-06-01	1151100000
1999-07-01	1060200000