时间	美湾	阿根廷
5/14/2007	77.9	84.7
5/11/2007	77.9	84.7
5/10/2007	74.5	80.8
5/09/2007	74.5	80.8
5/08/2007	74.5	80.8
4/30/2007	71.6	77.2
4/27/2007	71.6	77.2
4/26/2007	69.9	75.3
4/25/2007	69.9	75.3
4/24/2007	68.7	74
4/23/2007	68.7	74
4/20/2007	67	72.3
4/19/2007	67	72.3
4/18/2007	67.6	72.7
4/17/2007	67.6	72.7
4/16/2007	67	72
4/13/2007	67	72
4/12/2007	67	72
4/11/2007	66.4	71.4
4/10/2007	66.4	71.4
4/9/2007	66.4	71.4
4/6/2007	66.4	71.4
4/5/2007	65.8	71
4/4/2007	66.4	71.6
4/3/2007	66.4	71.6