(Not to be answered by self-employed in agriculture and by unpaid family workers.)

[] Under 300 DM
[] 300 to under 500 DM
[] 500 to under 800 DM
[] 800 to under 1,200 DM
[] 1,200 to under 1,800 DM
[] 1,800 to under 2,500 DM
[] 2,500 DM and more