Example:
Customer 165071 Averaged $258.45 purchases/sales each month for the 25 period starting Oct 2008 through November 2010.

Goal:
To create a simple column graph that has Month/Year as its X axis and sales as the Y axis.

Customer Sales Sales Sales
Number Start End
165071 Oct-08 Nov-10 $258.45
165072 Jan-07 Nov-09 $213.53
165091 Sep-09 Oct-13 $95.58
165092 Jun-07 Sep-09 $51.85
255081 Nov-05 Apr-07 $128.87
255082 Jan-06 Mar-06 $331.13
285021 Feb-11 Mar-13 $265.83
285022 Jul-07 Jul-08 $42.36
285023 Feb-07 Nov-07 $253.54
285131 Aug-13 Aug-15 $85.37
285132 May-04 May-09 $10.26
575071 Oct-08 Mar-10 $44.33
575072 Aug-07 Sep-09 $115.36
635061 Feb-09 Mar-11 $169.48
635062 Apr-06 Sep-08 $258.84
775101 Jul-11 Aug-13 $255.41
775102 May-09 May-11 $330.60
775103 Jul-05 Nov-06 $31.68
855031 Jun-07 Jun-08 $41.75
855032 Jan-06 Jul-06 $236.77
890951 Jul-11 Aug-12 $416.08

Any assitance would be deeply appreciatted/
Thanks