2011

2011: 17 509 companies

Januar 1 772 companies

Februar 1 421 companies

März 1 749 companies

April 1 484 companies

Mai 1 480 companies

Juni 1 257 companies

Juli 1 250 companies

August 1 416 companies

September 1 522 companies

Oktober 1 483 companies

November 1 484 companies

Dezember 1 191 companies