"c           VAR 0011      12003 IN BUS  3R 855-970               MD= 1E-37   "
"c           REF 0011         LOC   60 WIDTH  9             DK   1 COL 62-70  "
"c                                                                            "
"c                                                                            "
"c              INDEX OF AMERICAN BUSINESS ACTIVITY                           "
"c              -----------------------------------                           "
"c                                                                            "
"c              NBER SERIES:  12003                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  PERCENT OF TREND                                      "
"c              ANNUAL COVERAGE:   NONE                                       "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1855-12/1970                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  CLEVELAND TRUST COMPANY,"AMERICAN BUSINESS           "
"c              ACTIVITY SINCE 1790," 16TH AND 31ST EDITIONS FOR 1855-1970    "
"c              DATA.  SEE ALSO THE BUSINESS BULLETIN.                        "
"c                                                                            "
"c              NOTES:  SEE L. AYRES, TURNING POINTS IN BUSINESS CYCLES (NEW  "
"c              YORK, MACMILLAN, 1939) FOR DATA THROUGH 1922 TO AN EXTRA      "
"c              DECIMAL.                                                      "
"c                   THESE DATA WERE COMPUTED BY NBER FROM DEVIATIONS FROM    "
"c              TREND (100 PLUS OR MINUS DEVIATIONS).                         "
"c                                                                            "
"c              CHECKED MANUALLY; CORRECTED 10/4/93.                          "
"c                                                                            "
"c           ...............................................................  "