Dataset: strikes.dat

Source: Dale Yoder (1938). "Seasonality in Strikes," Journal of the American
statistical Associacion," Vol. 33, #204, pp. 687-693.

Description: Number of Strikes in U.S. by month for years 1927-1936.

Variables/Columns
Year  5-8
Month  15-16  /* 1=January, ..., 12=December  */
Number of strike  20-24