1990

1990: 12 029 companies

Januar 605 companies

Februar 894 companies

März 1 064 companies

April 791 companies

Mai 1 009 companies

Juni 893 companies

Juli 1 214 companies

August 1 320 companies

September 1 102 companies

Oktober 1 217 companies

November 1 108 companies

Dezember 812 companies