At the beginning of the 19th century, more than 90% of the population of the Rhineland was engaged in agriculture (including lumbering), but by 1933, only 12% were still working in agriculture.
19世纪初，莱茵兰90％以上的人口从事农业（包括伐木业），但至1933年只有12％仍从事农业生产。