can u explain the data please. and what is going on(such as official exchange rate, real exchange rate, cpi) Can u also explain whether there is appreciation or depreciation for the US and the Yen currency and why this might be . Lastly, What is the relationship between the real exchange rate and purchasing power parity (PPP), if there is any? How having data for PPP would complement your report.thank you.

\f$ Country None Counting Code IPI Indicator Name IPA REX PEER PA REX AREER 113 140134 103 7403491 141 30417 101 7444419 1947 116 7151043 Real effective exchange rate index(2010-100) 135 5134052 114 4638715 111 721201 134 3251215 104 1471459 1359176402 117 PHALL 108 160 101 1JRFAZE 114 4403412