1978

1978: 12 233 companies

Januar 699 companies

Februar 876 companies

März 855 companies

April 906 companies

Mai 1 065 companies

Juni 1 049 companies

Juli 974 companies

August 1 026 companies

September 1 109 companies

Oktober 1 124 companies

November 1 373 companies

Dezember 1 177 companies