Group 1, 1950.
Item 1, Hired farmworkers 2.33.
Item 2, Family farmworkers 7.6.
Group 2, 1955.
Item 1, Hired farmworkers 2.04.
Item 2, Family farmworkers 6.35.
Group 3, 1960.
Item 1, Hired farmworkers 1.89.
Item 2, Family farmworkers 5.17.
Group 4, 1965.
Item 1, Hired farmworkers 1.48.
Item 2, Family farmworkers 4.13.
Group 5, 1970.
Item 1, Hired farmworkers 1.17.
Item 2, Family farmworkers 3.35.
Group 6, 1975.
Item 1, Hired farmworkers 1.31.
Item 2, Family farmworkers 3.06.
Group 7, 1980.
Item 1, Hired farmworkers 1.37.
Item 2, Family farmworkers 2.42.
Group 8, 1985.
Item 1, Hired farmworkers 1.34.
Item 2, Family farmworkers 2.02.
Group 9, 1990.
Item 1, Hired farmworkers 1.15.
Item 2, Family farmworkers 2.01.
Group 10, 1995.
Item 1, Hired farmworkers 1.12.
Item 2, Family farmworkers 1.98.
Group 11, 2000.
Item 1, Hired farmworkers 1.13.
Item 2, Family farmworkers 2.06.