The International Monetary Fund (IMF), treasuries' department's currency values in terms of Special Drawing Rights (SDR).

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April 23, 2013
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                                Currency units per SDR           SDR per Currency unit
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Currency                        22-Apr-13      19-Apr-13      18-Apr-13      17-Apr-13
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Euro                             0.867989       0.870853        0.86695       0.870311
Japanese Yen                   0.00667123     0.00675703     0.00679325     0.00674356
UK Pound Sterling                 1.01453        1.01926        1.01389        1.01118
US Dollar                        0.665789       0.664013       0.664584       0.662892
Algerian Dinar                 0.00846592     0.00845658      0.0084538     0.00843948
Argentine Peso                          -              -              -              -
Australian Dollar                 0.68503       0.686324       0.684854       0.686491
Bahrain Dinar                     1.77072        1.76599        1.76751        1.76301
Botswana Pula                   0.0805605      0.0809432      0.0810792      0.0810054
Brazilian Real                    0.33142       0.329502       0.333309       0.333061
Brunei Dollar                    0.537924       0.537401        0.53782        0.53732
Canadian Dollar                  0.648727       0.646934       0.648059       0.645968
Chilean Peso                   0.00139637     0.00139519     0.00140267     0.00140422
Chinese Yuan                     0.106671       0.106421       0.106477       0.106332
Colombian Peso                0.000362715    0.000359505    0.000359923     0.00036145
Czech Koruna                    0.0334786      0.0336806      0.0335056      0.0336596
Danish Krone                     0.116431       0.116801       0.116286       0.116723
Hungarian Forint               0.00290649      0.0029094      0.0029174     0.00297474
Icelandic Krona                0.00568662     0.00568943     0.00563016     0.00564596
Indian Rupee                    0.0122915              -      0.0123003      0.0122889
Indonesian Rupiah             6.85462E-05    6.83915E-05    6.83517E-05    0.000068269
Iranian Rial                  5.43058E-05              -              -              -
Israeli New Sheqel               0.183463       0.182974       0.183435       0.182917
Kazakhstani Tenge              0.00440453     0.00439482     0.00440093      0.0043903
Korean Won                    0.000595252    0.000591812    0.000595879    0.000592079
Kuwaiti Dinar                     2.33733        2.33273        2.33474        2.33331
Libyan Dinar                     0.517491       0.517491       0.517491       0.517491
Malaysian Ringgit                0.218974       0.218641       0.219082       0.218704
Mauritian Rupee                 0.0214747      0.0214645      0.0214724      0.0214443
Mexican Peso                    0.0540295      0.0543142      0.0542611      0.0541711
Nepalese Rupee                 0.00771035        0.00768     0.00768394     0.00762822
New Zealand Dollar               0.560062       0.558767       0.561441       0.564121
Norwegian Krone                  0.114073       0.114639       0.114268       0.115197
Rial Omani                        1.73157        1.72695        1.72844        1.72404
Pakistani Rupee                0.00676539     0.00674936      0.0067539     0.00673584
Nuevo Sol                               -       0.256178       0.256497       0.255943
Philippine Peso                 0.0161922      0.0160832      0.0161025      0.0160208
Polish Zloty                     0.211711       0.211409       0.210785       0.212745
Qatar Riyal                      0.182909       0.182421       0.182578       0.182113
Russian Ruble                   0.0210917      0.0211062      0.0209548      0.0212248
Saudi Arabian Riyal              0.177544        0.17707       0.177222       0.176771
Singapore Dollar                 0.537924       0.537401        0.53782        0.53732
South African Rand              0.0717847      0.0724379      0.0724524      0.0723954
Sri Lanka Rupee                0.00528874     0.00528595     0.00529642      0.0052875
Swedish Krona                    0.102024        0.10185       0.102157       0.103533
Swiss Franc                      0.712607       0.713916       0.713762       0.717571
Thai Baht                       0.0232306      0.0231371      0.0230863      0.0229152
Trinidad And Tobago Dollar       0.103906       0.103278       0.103531       0.103081
Tunisian Dinar                   0.416092       0.414154       0.416015       0.414541
U.A.E. Dirham                     0.18129       0.180807       0.180962       0.180502
Peso Uruguayo                           -       0.034937      0.0349395      0.0349682
Bolivar Fuerte                   0.105947       0.105664       0.105755       0.105486
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NOTES
(1) The value of the US dollar in terms of the SDR is the recip rocal of the sum of the dollar values, based on market exchange rates, of specified quant ities of the first four currencies shown. See SDR Valuation.
The value in terms of the SDR of each of the other currencies shown above is derived from that currency's representative exchange rate against the US dollar as reported by the issuing central bank and the SDR value of the US dollar, except for the Iranian rial and the Libyan dinar, the values of which are officially expressed directly in terms of domestic currency units per SDR. All figures are rounded to six significant digits. See Representative Exchange Rates for Selected Currencies.
(2) The value in terms of each national currency of the SDR is the reciprocal of the value in terms of the SDR of each national currency, rounded to six significant digits.