沪指 测试数据从1991/01-2012/10
month = /01/,total = 22,up = 12,down = 10
month = /02/,total = 22,up = 17,down = 5
month = /03/,total = 22,up = 13,down = 9
month = /04/,total = 22,up = 14,down = 8
month = /05/,total = 22,up = 11,down = 11
month = /06/,total = 22,up = 12,down = 10
month = /07/,total = 22,up = 9,down = 13
month = /08/,total = 22,up = 11,down = 11
month = /09/,total = 22,up = 10,down = 12
month = /10/,total = 22,up = 9,down = 13
month = /11/,total = 21,up = 14,down = 7
month = /12/,total = 21,up = 9,down = 12