1952

1952: 160 companies

sausis 24 companies

vasaris 11 companies

kovas 18 companies

balandis 13 companies

gegužė 13 companies

birželis 8 companies

liepa 13 companies

rugpjūtis 9 companies

rugsėjis 12 companies

spalis 11 companies

lapkritis 5 companies

gruodis 23 companies