1997

1997: 19 429 companies

Januar 1 635 companies

Februar 1 557 companies

März 1 866 companies

April 1 637 companies

Mai 1 924 companies

Juni 1 756 companies

Juli 1 737 companies

August 1 870 companies

September 1 480 companies

Oktober 1 292 companies

November 1 231 companies

Dezember 1 444 companies