"c           VAR 0288      03018 OPE RAT 3R 948-961               MD= 1E-37   "
"c           REF 0288         LOC 2553 WIDTH  9             DK  41 COL 35-43  "
"c                                                 EXP DEC=  1                "
"c                                                                            "
"c              TOTAL OPERATING REVENUES, TELEPHONE COMPANIES                 "
"c              ---------------------------------------------                 "
"c                                                                            "
"c              NBER SERIES:  03018                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  MILLIONS OF DOLLARS                                   "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1948-12/1961                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  DATA FOR 1948-1952:  FEDERAL COMMUNICATIONS          "
"c              COMMISSION,"STATISTICS OF THE COMMUNICATIONS INDUSTRY IN      "
"c              THE UNITED STATES, YEAR ENDED DECEMBER 31, 1951", PUBLISHED   "
"c              1953; SAME PUBLICATION FOR THE YEAR ENDED DECEMBER 31, 1952,  "
"c              PUBLISHED 1954.  DATA FOR 1953-1961:  U.S. DEPARTMENT OF      "
"c              COMMERCE, SURVEY OF CURRENT BUSINESS; FCC, OPERATIONS DATA    "
"c              FROM MONTHLY REPORTS OF TELEPHONE CARRIERS.                   "
"c                                                                            "
"c              NOTES:  SERIES 03018 IS PRESENTED HERE AS FOURT               "
"c              VARIABLES--(1)--ORIGINAL DATA, 1915-1934  (2)--ORIGINAL DATA, "
"c              1933-1948  (3)--ORIGINAL DATA, 1942-1948  (4) ORIGINAL DATA,  "
"c              1948-1961                                                     "
"c                   BEGINNING IN 1948, DATA COVER 54-58 DOMESTIC CARRIERS    "
"c              ACCOUNTING FOR MORE THAN NINETY PERCENT OF REVENUES (SEE      "
"c              SCB, 1953 SUPPLEMENT, P. 247.)  BEGINNING IN JANUARY 1954,    "
"c              COVERAGE WAS REDUCED TO 38 TELEPHONE CARRIERS ACCOUNTING FOR  "
"c              OVER NINETY PERCENT OF OPERATING REVENUES (SCB, MAY 1954 AND  "
"c              FCC MONTHLY REPORT.)  TWO COMPANIES OPERATING OUTSIDE THE     "
"c              CONTINENTAL UNITED STATES, AND PREVIOUSLY EXCLUDED, WERE NOW  "
"c              ADDED TO THE LIST OF COMPANIES REPORTING MONTHLY TO THE FCC.  "
"c              IN JANUARY 1957, COVERAGE CHANGED TO 43 COMPANIES; TO 42 IN   "
"c              MARCH 1957; TO 44 IN JANUARY 1960.                            "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c           ...............................................................  "