1980

1980: 17 922 companies

januar 2 038 companies

februar 1 188 companies

marec 1 493 companies

april 1 751 companies

maj 1 612 companies

junij 1 319 companies

julij 1 664 companies

avgust 1 382 companies

september 1 317 companies

oktober 1 560 companies

november 1 371 companies

december 1 227 companies