There are some invalid USD/KRW data in between years 2015 and 2017
The KRW=X (USD/KRW) currency data has severely incorrect data which seriously messes up the 10 year chart.
For example, on February 1, 2015, the USD/KRW value is shown as 0.1103 when it should be 1099.1208.
There are more incorrect values between 2015 and year 2017.
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Andy Kim
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