1991

1991: 525 companies

Ιανουάριος 87 companies

Φεβρουάριος 23 companies

Μάρτιος 42 companies

Απρίλιος 26 companies

Μάιος 22 companies

Ιούνιος 23 companies

Ιούλιος 47 companies

Αύγουστος 41 companies

Σεπτέμβριος 41 companies

Οκτώβριος 54 companies

Νοέμβριος 48 companies

Δεκέμβριος 71 companies