1981

1981: 17 577 companies

jaanuar 1 726 companies

veebruar 931 companies

märts 1 431 companies

aprill 1 637 companies

mai 1 603 companies

juuni 1 463 companies

juuli 1 677 companies

august 1 442 companies

september 1 412 companies

oktoober 1 562 companies

november 1 236 companies

detsember 1 457 companies