26 February 1990

USD 42,6%, DEM 25,6%, ATS 10,4%, CHF 4,9 %,
ITL 3,8%, FRF 3,5 %, GBP 2,9%, SEK 2,0%,
NLG 1,7%, FIM 1,5%, BEC 1,1%

14 March 1991 USD 50,9%, DEM 23,1%, ATS 8,1%, CHF 3,9%,
ITL 3,5%, FRF 3,6%, GBP 2,7 %, SEK 1,5%,
NLG 2,7%
9 December 1991 USD 50% , ECU 50%
2 August 1993 USD 50% , DEM 50%
16 May 1994 USD 30% , ECU 70%
1 January 1997 USD 30% , DEM 70%
1 January 1999 USD 30% , EUR 70%
1 January 2000 EUR 100%