1920

1920: 18 companies

Ιανουάριος 1 companies

Φεβρουάριος 2 companies

Μάρτιος 2 companies

Απρίλιος 5 companies

Ιούνιος 2 companies

Ιούλιος 3 companies

Αύγουστος 1 companies

Οκτώβριος 1 companies

Δεκέμβριος 1 companies