Historical Rates for the Chinese Yuan Renminbi (Source : FRB)  Chinese Yuan Renminbi 
Date Per_USD Latest 30days Latest 30days
1981/1/2 1.5341 date Per_USD
1981/1/5 1.5418 2015/3/16 6.2620
1981/1/6 1.5264 2015/3/17 6.2490
1981/1/7 1.5264 2015/3/18 6.2289
1981/1/8 1.5264 2015/3/19 6.1955
1981/1/9 1.5371 2015/3/20 6.2037
1981/1/12 1.5371 2015/3/23 6.2135
1981/1/13 1.5449 2015/3/24 6.2046
1981/1/14 1.5449 2015/3/25 6.2116
1981/1/15 1.5449 2015/3/26 6.2103
    2015/3/27 6.2145
・・・   2015/3/30 6.2065
    2015/3/31 6.1990
2015/3/16 6.262 2015/4/1 6.1976
2015/3/17 6.249 2015/4/2 6.1968
2015/3/18 6.2289 2015/4/3 6.1930
2015/3/19 6.1955 2015/4/6 6.1930
2015/3/20 6.2037 2015/4/7 6.1955
2015/3/23 6.2135 2015/4/8 6.2020
2015/3/24 6.2046 2015/4/9 6.2050
2015/3/25 6.2116 2015/4/10 6.2082
2015/3/26 6.2103 2015/4/13 6.2152
2015/3/27 6.2145 2015/4/14 6.2113
2015/3/30 6.2065 2015/4/15 6.2037
2015/3/31 6.199 2015/4/16 6.1947
2015/4/1 6.1976 2015/4/17 6.1976
2015/4/2 6.1968 2015/4/20 6.2014
2015/4/3 6.193 2015/4/21 6.2010
2015/4/6 6.193 2015/4/22 6.1927
2015/4/7 6.1955 2015/4/23 6.1975
2015/4/8 6.202 2015/4/24 6.1930
2015/4/9 6.205
2015/4/10 6.2082
2015/4/13 6.2152
2015/4/14 6.2113
2015/4/15 6.2037
2015/4/16 6.1947
2015/4/17 6.1976
2015/4/20 6.2014
2015/4/21 6.201
2015/4/22 6.1927
2015/4/23 6.1975
2015/4/24 6.193