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du au

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LUXEMBOURG: 01-07-97 31-12-97

ROYAUME-UNI: 01-01-98 30/06/98

AUTRICHE: 01-07-98 31/12/98

ALLEMAGNE: 01-01-99 30/06/99

FINLANDE: 01-07-99 31/12/99

PORTUGAL: 01-01-00 30/06/00

FRANCE: 01-07-00 31/12/00

SUEDE: 01-01-01 30/06/01

BELGIQUE: 01-07-01 31/12/01

ESPAGNE: 01-01-02 30/06/02

DANEMARK: 01-07-02 31/12/02

GRECE: 01-01-03 30/06/03