1961

1961: 526 companies

janvāris 38 companies

februāris 42 companies

marts 51 companies

aprīlis 46 companies

maijs 45 companies

jūnijs 37 companies

jūlijs 46 companies

augusts 47 companies

septembris 43 companies

oktobris 39 companies

novembris 44 companies

decembris 48 companies