1980

1980: 1 987 companies

sausis 176 companies

vasaris 197 companies

kovas 180 companies

balandis 172 companies

gegužė 160 companies

birželis 181 companies

liepa 151 companies

rugpjūtis 130 companies

rugsėjis 122 companies

spalis 159 companies

lapkritis 149 companies

gruodis 210 companies