时间        美湾     阿根廷
    03/03/2010    66.61      68.21
    03/02/2010    63.71      68.21
    03/01/2010    65.45      68.21
    02/26/2010    64.29      64.93
    02/25/2010    64.29      64.93
    02/24/2010    64.29      64.93
    02/23/2010    64.29      64.93
    02/22/2010    62.55      62.37
    02/21/2010    62.55      62.37
    02/12/2010    62.55      62.37
    02/11/2010    64.29      64.93
    02/10/2010    64.29      64.93
    02/09/2010    64.29      62.37
    02/08/2010       64      63.19
    02/05/2010       64      63.19
    02/04/2010    61.05      62.37
    02/03/2010    65.74      64.01
    02/02/2010    65.74      62.37
    02/01/2010     66.9      64.01
    01/29/2010    68.06      64.01
    01/28/2010    68.64      64.01
    01/27/2010    72.12      70.94
    01/26/2010    67.48      64.99
    01/25/2010    67.48      64.01
    01/22/2010    67.48      65.65
    01/21/2010    69.22      65.65
    01/20/2010    69.22      66.47
    01/18/2010    71.54      68.12
    01/14/2010       76         74
    01/13/2010       77         76
    01/12/2010       77         76
    01/11/2010    70.92       73.4
    01/08/2010    70.92       73.4
    01/07/2010    70.92      75.56
    01/06/2010    70.92      75.56
    01/05/2010    69.47      73.91
    01/04/2010    69.47      73.91