Democrats          Change In Debt/GDP
    -----------        ------------------
    Joe Biden                 +0.1 pp
    Barack Obama             +22.2 pp
    Bill Clinton              -9.4 pp
    Jimmy Carter              -3.1 pp

    Republicans        Change In Debt/GDP
    -----------        ------------------
    Donald Trump             +18.9 pp
    George W. Bush           +27.3 pp
    George H. W. Bush        +12.6 pp
    Ronald Reagan            +19.8 pp
    Gerald Ford               +2.3 pp
    Richard Nixon             -4.7 pp
    Dwight Eisenhower        -16.1 pp