1978

1978: 18 819 companies

januari 1 558 companies

februari 779 companies

maart 1 811 companies

april 1 272 companies

mei 1 351 companies

juni 1 522 companies

juli 1 994 companies

augustus 1 803 companies

september 1 547 companies

oktober 1 708 companies

november 1 829 companies

december 1 645 companies