1973

1973: 21 companies

Ιανουάριος 1 companies

Φεβρουάριος 1 companies

Μάρτιος 3 companies

Απρίλιος 3 companies

Μάιος 1 companies

Ιούνιος 1 companies

Ιούλιος 2 companies

Αύγουστος 2 companies

Σεπτέμβριος 2 companies

Οκτώβριος 3 companies

Νοέμβριος 1 companies

Δεκέμβριος 1 companies