1989

1989: 32 491 companies

Januar 3 032 companies

Februar 1 912 companies

März 2 690 companies

April 3 028 companies

Mai 3 111 companies

Juni 3 059 companies

Juli 2 925 companies

August 2 938 companies

September 2 281 companies

Oktober 2 560 companies

November 2 670 companies

Dezember 2 285 companies