prepared by Bureau of Statistics and Information
[Bureau of Statistics and Information]
1917-
July 1, 1917 , July 1, 1918 , August 1, 1920 , September 1, 1921 , August 1, 1924 , June 1, 1925 , August 1, 1926 , August 1, 1927 , September 1, 1928 , September 1, 1929 , November 1, 1930 , September 1, 1931
Available at 3 libraries