Euro Currency Index points). The Euro Currency Index started on 4 January 1971 with 100 points. Before the introduction of the European single currency on 1 January 1999, an exchange rate of 1 Euro = 1.95583 Deutsche Mark was calculated. On April 19, 1971, the Euro Currency Index gained 99.67 points calculated with an all-time low. Until 3 December 1979, the index rose by 68.0 percent to 167.43 points. With the depreciation of the Deutsche Mark against the major currencies, the index fell to mid-1980s. On 3 May 1985, the Euro Currency Index was at level 122.26 points, up by 27.0 percent. The
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