1930

1930: 162 companies

janvāris 16 companies

februāris 8 companies

marts 13 companies

aprīlis 10 companies

maijs 16 companies

jūnijs 12 companies

jūlijs 7 companies

augusts 11 companies

septembris 7 companies

oktobris 13 companies

novembris 15 companies

decembris 34 companies