Which field show the units sold when we request to create amazon advertising report for Sponsor Brand with record type is keyword?

Job ID: 32017907

Budget: $10 – $30 USD

I requested to create amazon advertising report for Sponsor Brand with record type is keyword?
but I don't know which field correspond units sold. I tried to use filed "unitsSold14d" but it said "Unsupported field for keyword search term report: unitsSold14d".
Pls tell me which exactly field I use to show units sold in this case