Not sold continous months count

I dont know how to re attach the file again thus re attaching

sales no sales blank for
REF DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 TOT QTY % COUNT COUNT COUNT
x 1 x x x x x x x x x 1 x x x 2 0 100% 2 13 3