1972

1972: 46 companies

Ιανουάριος 6 companies

Φεβρουάριος 3 companies

Μάρτιος 4 companies

Απρίλιος 3 companies

Μάιος 2 companies

Ιούνιος 9 companies

Ιούλιος 2 companies

Αύγουστος 5 companies

Σεπτέμβριος 3 companies

Οκτώβριος 5 companies

Νοέμβριος 3 companies

Δεκέμβριος 1 companies