This is an Annual Trend Volatility of Total Debt over 10 years. Trend Volatility is derived by subtract the log linear Estimated index value (in index value units) from the Actual index value and divide by the Estimated index value to derive a % deviation. Repeat this for each observation and average the .absolute. results to derive a % Mean Absolute Deviation. Express this result as a percentage. Required 11 latest fiscal year intervals. NOTE: This value is only available for Industrial and Utility companies. Total Debt is the sum of Short Term Debt, the Current Portion of Long Term Debt and Capitalized Lease Obligations, Long Term Debt and Capitalized Lease Obligations for the same period.