"c VAR 0689 01168 MACHINE 1A 901-923 MD= 1E-37 " "c REF 0689 LOC 2373 WIDTH 9 DK 38 COL 44-52 " "c EXP DEC= 1 " "c " "c MACHINE TOOL SHIPMENTS INDEX, NUMBER " "c ------------------------------------ " "c " "c NBER SERIES: 01168 " "c AREA COVERED: U.S. " "c UNITS: 1913=100 " "c ANNUAL COVERAGE: 1901-1923 " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: NONE " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: RECORD BOOK OF BUSINESS STATISTICS, PART II, P. 42. " "c " "c NOTES: SERIES 01168 IS PRESENTED HERE AS TWO " "c VARIABLES--(1)--ORIGINAL DATA, 1901-1923 (2)--ORIGINAL " "c DATA, 1926-1933. " "c DATA COVERS CALENDAR YEARS. " "c AN ALTERNATE SOURCE OF DATA IS SURVEY OF CURRENT " "c BUSINESS, APRIL 1924, P. 55. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... " -1 1901. 1923. 69.5000 87.8000 85.3000 70.8000 103.100 122.500 125.000 50.3000 84.4000 104.800 83.9000 112.400 100.000 66.3000 138.300 172.200 192.100 181.200 143.600 135.500 20.5000 25.6000 44.5000