pre_text: At the end of each reporting period, the Company evaluates all available information at that time to determine if it is more likely than not that some or all of these credits will be utilized. As of October 31, 2019, 2018, and 2017, the Company determined that a total of $1.8 million, $0.7 million, and $0.6 million, respectively, would be recovered. Accordingly, those amounts were released from the valuation allowance and benefited deferred tax expense in the respective periods. The differences between the consolidated effective income tax rate and the federal statutory rate effective during the applicable year presented are as follows:
table: Years Ended October 31,
table: 2019 2018 2017
table: (In thousands) 
table: Income taxes at statutory rate $13,408 $ 7,132 $148,585
table: Discrete benefit resulting from TCJA  — (37,505) —
table: State income taxes 1,189 1,014 9,038
table: State income tax credits  (2,139) (804) (606)
table: Expiration of state income tax credits  4,121 4,117 642
table: Federal income tax credits  (474) (460) (390)
table: Federal manufacturers deduction  — — (11,527)
table: Excess tax benefits  (1,388) (1,638) (3,345)
table: Nondeductible expenses 1,786 1,890 3,506
table: Change in valuation allowance  (5,380) (5,297) (1,106)
table: Other  (570) 677 (12)
table: Income tax expense (benefit)  $10,553 $(30,874) $144,785
question: Analyse this data from a financial earnings document. What is the change in Income taxes at statutory rate between fiscal years 2019 and 2018?