1981

1981: 7 452 companies

sausis 264 companies

vasaris 490 companies

kovas 801 companies

balandis 568 companies

gegužė 677 companies

birželis 627 companies

liepa 755 companies

rugpjūtis 662 companies

rugsėjis 647 companies

spalis 607 companies

lapkritis 676 companies

gruodis 678 companies