1971

1971: 78 companies

Ιανουάριος 22 companies

Φεβρουάριος 5 companies

Μάρτιος 7 companies

Απρίλιος 6 companies

Μάιος 2 companies

Ιούνιος 2 companies

Ιούλιος 4 companies

Αύγουστος 2 companies

Σεπτέμβριος 6 companies

Οκτώβριος 14 companies

Νοέμβριος 3 companies

Δεκέμβριος 5 companies