1988

1988: 12 479 companies

januari 841 companies

februari 985 companies

maart 1 144 companies

april 1 047 companies

mei 1 119 companies

juni 1 104 companies

juli 886 companies

augustus 1 009 companies

september 1 053 companies

oktober 977 companies

november 1 069 companies

december 1 245 companies