1930

1930: 162 companies

Yanvar 16 companies

Fevral 8 companies

Mart 13 companies

Aprel 10 companies

May 16 companies

Iyun 12 companies

Iyul 7 companies

Avgust 11 companies

Sentabr 7 companies

Oktabr 13 companies

Noyabr 15 companies

Dekabr 34 companies