Q1 
        Months % shipment
        Jan-94 73
        Feb-94 77
        Mar-94 69
        Apr-94 72
        May-94 70
        Jun-94 68
        Jul-94 71
        Aug-94 75
        Sep-94 67
        Oct-94 73
        Nov-94 72
        Dec-94 67
        Jan-95 73
        Feb-95 75
        Mar-95 76
        Apr-95 69
        May-95 72
        Jun-95 73
        Jul-95 75
        Aug-95 68
        Sep-95 70
        Oct-95 74
        Nov-95 73
        Dec-95 69
        Jan-96 71
        Feb-96 74
        Mar-96 73
        Apr-96 75
        May-96 73
         
         see the corresponding control chart   -> 
         
         
        see the deployed flow chart