4.0 International license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
Data: Year Lowest income rate Highest income rate 1910 0 0 1911 0 0 1912 0 0 1913 1 7 1914 1 7 1915 1 7 1916 2 15 1917 2 67 1918 6 77 1919 4 73 1920...
