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Table 6 Turnover in Hourly-Rated KNR Employees: 1951–68*

From: New views on the hypothesis of respiratory cancer risk from soluble nickel exposure; and reconsideration of this risk's historical sources in nickel refineries

Year As of Jan. 1 During Calendar Year Percent Leavinga
   Total Hired 1. Left  
1951 795 1,250 455 419 51.5
1952 831 1,791 960 757 81.2
1953 1,034 1,951 917 841 78.5
1954 1,110 2,206 1,096 961 81.6
1955 1,245 2,165 920 902 71.9
1956 1,263 2,250 987 951 74.2
1957 1,299 2,111 812 878 69.4
1958 1,233 1,577 344 415 34.7
1959 1,162 1,440 278 317 27.7
1960 1,123 1,591 468 445 39.2
1961 1,146 1,733 587 547 46.9
1962 1,186 1,602 416 455 39.0
1963 1,147 1,319 172 304 28.1
1964 1,015 1,261 246 178 17.0
1965 1,083 1,684 601 612 56.8
1966 1,072 1,617 545 564 53.1
1967 1,053 1,447 394 463 45.5
1968 984 1,506 522 452 44.4
1969 1,054 1,809 755 708 67.2
Avg 1,097 1,701 604 588 53.0
SD 133 315 279 238 19.7
  1. * Table X (revised) in Thornhill (1986) [F2]. a Number of men leaving expressed as a percentage of the average number of employees at start and end of year, except for the 1969 estimate, which is based on Jan. 1st total. Avg: Average. SD: Standard deviation.