1987

1987: 31 620 companies

Januar 2 550 companies

Februar 2 221 companies

März 2 625 companies

April 3 904 companies

Mai 2 917 companies

Juni 2 742 companies

Juli 2 659 companies

August 2 728 companies

September 2 535 companies

Oktober 2 368 companies

November 2 179 companies

Dezember 2 192 companies