What is the difference in Expected provision for income taxes from fiscal year 2018 to 2019?
{"Expected statutory rate": {"2019": 26.5, "2018": 26.5, "2017": 26.5}, "Expected provision for income taxes": {"2019": 116752, "2018": 102323, "2017": 66131}, "Effect of foreign tax rate differences": {"2019": -1344, "2018": 2352, "2017": 8647}, "Change in valuation allowance": {"2019": -5045, "2018": 1779, "2017": 520}, "Amortization of deferred charges": {"2019": "\u2014", "2018": 4242, "2017": 6298}, "Effect of permanent differences": {"2019": -577, "2018": 4332, "2017": 3673}, "Effect of changes in unrecognized tax benefits": {"2019": 31992, "2018": 5543, "2017": 14427}, "Effect of withholding taxes": {"2019": 2097, "2018": 7927, "2017": 3845}, "Difference in tax filings from provision": {"2019": -250, "2018": 1321, "2017": -7836}, "Effect of U.S. tax reform": {"2019": "\u2014", "2018": 19037, "2017": "\u2014"}, "Effect of tax credits for research and development": {"2019": -13550, "2018": -3875, "2017": -2643}, "Effect of accrual for undistributed earnings": {"2019": -13112, "2018": -1154, "2017": 5613}, "Effect of Base Erosion and Anti-Abuse Tax (BEAT)": {"2019": 16030, "2018": "\u2014", "2017": "\u2014"}, "Other Items": {"2019": 5473, "2018": -1, "2017": 1075}, "Impact of internal reorganization of subsidiaries": {"2019": 16471, "2018": "\u2014", "2017": -876114}, "": {"2019": 154937, "2018": 143826, "2017": -776364}}
expected_provision_for_income_taxes_2019 = df["Expected provision for income taxes"]["2019"]
expected_provision_for_income_taxes_2018 = df["Expected provision for income taxes"]["2018"]
answer = expected_provision_for_income_taxes_2019 - expected_provision_for_income_taxes_2018