Currency board the Deutsche Mark from 1992 to 1999 when it switched to fixing to the Euro at par. The peg to the Euro was upheld until January 2011 with Estonia's adoption of the Euro. This policy is seen as a mainstay of that country's subsequent economic success (see Economy of Estonia for a detailed description of the Estonian currency board). Argentina abandoned its currency board in January 2002 after a severe recession. To some, this emphasised the fact that currency boards are not irrevocable, and hence may be abandoned in the face of speculation by foreign exchange traders. However, Argentina's system
International status and usage of the euro euro exceed dollar reserves for the first time; Russia held 47.5% (up from 42% in 2008) in euro and 41.5% (down from 47%) in dollar leading the Central Bank of Russia to announce the euro had become the reserve currency of Russia. The usage of the euro is particularly strong in eastern Europe, not surprisingly in those that have joined the EU, with 54.8% of all loans in Bulgaria, and 85.2% in Latvia before Eurozone accession, being issued in euro rather than the local currencies. The following table shows central banks allocated reserves in euros and US dollar. A currency