Good News About GM Backorders

According to just released "Duncan Direct" Buick GMC video. GM Parts backorders are down 25%. The last report I have is December 2022. Compared to earliest report I have April 2022, I don't see 25%.
Do you have better number?
Is this new math or do I have it wrong...
Current Status
As of 12/06/2022
Customer Lines Pending Shipment 1
Total Backorder Lines 590,869
Covered Backorder Lines 164,971
Uncovered Backorder Lines 425,898
SPAC Cases 106,124
Material Trailers at PC/RDC/PDCs 820
Current Status
As of 4/19/2022
Customer Lines Pending Shipment 12,098
Total Backorder Lines 614,789
Covered Backorder Lines 211,682
Uncovered Backorder Lines 403,107
SPAC Cases 90,810
Material Trailers at PC/RDC/PDCs 744
Do you have better number?
Is this new math or do I have it wrong...
Current Status
As of 12/06/2022
Customer Lines Pending Shipment 1
Total Backorder Lines 590,869
Covered Backorder Lines 164,971
Uncovered Backorder Lines 425,898
SPAC Cases 106,124
Material Trailers at PC/RDC/PDCs 820
Current Status
As of 4/19/2022
Customer Lines Pending Shipment 12,098
Total Backorder Lines 614,789
Covered Backorder Lines 211,682
Uncovered Backorder Lines 403,107
SPAC Cases 90,810
Material Trailers at PC/RDC/PDCs 744