1979

1979: 17 283 companies

januari 1 573 companies

februari 1 201 companies

maart 1 389 companies

april 1 649 companies

mei 1 545 companies

juni 1 408 companies

juli 1 513 companies

augustus 1 318 companies

september 1 451 companies

oktober 1 563 companies

november 1 359 companies

december 1 314 companies