1957

1957: 407 companies

yanvar 44 companies

Fevral 36 companies

mart 27 companies

Aprel 40 companies

May 37 companies

İyun 34 companies

İyul 40 companies

Avqust 25 companies

Sentyabr 23 companies

Oktyabr 30 companies

Noyabr 31 companies

dekabr 40 companies