ACS estimates of "grandparents responsible for grandchildren" (S1002)

Hello! I'm reviewing the 2022 5-year ACS estimates for New Mexico, in particular table S1002 ("Grandparents"). Regarding the percentage indicator "Grandparents responsible for grandchildren" - please, what is the DENOMINATOR for this percentage? Thank you!

Parents
  • B10063_002E Estimate!!Total:!!Household with grandparents living with grandchildren:
    B10063_003E Estimate!!Total:!!Household with grandparents living with grandchildren:!!Household with grandparent responsible for own grandchildren under 18 years:
    B10063_004E Estimate!!Total:!!Household with grandparents living with grandchildren:!!Household with grandparent responsible for own grandchildren under 18 years:!!Householder or spouse with no parent of grandchildren present
Reply
  • B10063_002E Estimate!!Total:!!Household with grandparents living with grandchildren:
    B10063_003E Estimate!!Total:!!Household with grandparents living with grandchildren:!!Household with grandparent responsible for own grandchildren under 18 years:
    B10063_004E Estimate!!Total:!!Household with grandparents living with grandchildren:!!Household with grandparent responsible for own grandchildren under 18 years:!!Householder or spouse with no parent of grandchildren present
Children