1990

1990: 34 195 companies

Januar 2 357 companies

Februar 2 398 companies

März 3 017 companies

April 3 009 companies

Mai 2 923 companies

Juni 2 906 companies

Juli 3 478 companies

August 3 182 companies

September 2 624 companies

Oktober 2 858 companies

November 2 787 companies

Dezember 2 656 companies