What was the change in Total debt between 2018 and 2019?
{"Term Loan Credit Agreement (1)": {"2019": "$\u2014", "2018": 318782}, "TOKIN Term Loan Facility (2)": {"2019": 276808, "2018": "\u2014"}, "Customer Advances (3)": {"2019": 11270, "2018": "\u2014"}, "Other, net (4)": {"2019": 6393, "2018": 5841}, "Total debt": {"2019": 294471, "2018": 324623}, "Current maturities": {"2019": -28430, "2018": -20540}, "Total long-term debt": {"2019": 266041, "2018": 304083}}
total_debt_2019 = df["Total debt"]["2019"]
total_debt_2018 = df["Total debt"]["2018"]
answer = total_debt_2019 - total_debt_2018