1959

1959: 150 companies

Ιανουάριος 10 companies

Φεβρουάριος 15 companies

Μάρτιος 12 companies

Απρίλιος 12 companies

Μάιος 10 companies

Ιούνιος 12 companies

Ιούλιος 18 companies

Αύγουστος 12 companies

Σεπτέμβριος 15 companies

Οκτώβριος 11 companies

Νοέμβριος 15 companies

Δεκέμβριος 8 companies