Sampling scheme based on Cumulative Goods Receipt Quantity

Hi QM Gurus,

I have one requirement to calculate the sample based on cumulative goods receipt.

For example, for the first 1 million pcs of material A, sample size should be 100%.

After 1 million upto 2 millions goods total goods receipt of A, sample size should be 50%.

From 2 to 3 million, it is 25% and so on........

I know I have to use DMR and sampling procedures with scheme.

But I could not find any way to create a sampling scheme where I can set Goods receipt quantity.

I can set lot size and sample size but it is not the solution as sample size is based on cumulative quantities received so far.

It would be great if you can share your thoughts and ideas here on how to proceed with standard SAP.

Otherwise, I need to look for some exit to know the total GR qty till date and then call the stages of DMR accordingly.

Thank you.

Regards,

Sandeep Kumar