pre_text: The following table provides a reconciliation from U.S. GAAP Net income to non-GAAP Adjusted net income (amounts in thousands): (1) Fiscal years ending March 31, 2018 and 2017 adjusted due to the adoption of ASC 606. (2) $0.9 million in costs incurred during fiscal year 2018 related to the relocation of the Company's tantalum powder facility equipment from Carson City, Nevada to its existing Matamoros, Mexico plant were reclassified from “Plant start-up costs” to “Restructuring charges” during fiscal year 2019.
table: Fiscal Years Ended March 31,
table: 2019 2018 2017
table: Net income (GAAP) (1) $206,587 $254,127 $47,157
table: Non-GAAP adjustments:
table: Equity (income) loss from equity method investments 3,304 (76,192) (41,643)
table: Acquisition (gain) loss — (130,880) —
table: Change in value of TOKIN options — — (10,700)
table: (Gain) loss on write down and disposal of long-lived assets 1,660 (992) 10,671
table: Restructuring charges (2) 8,779 14,843 5,404
table: R&D grant reimbursements and grant income (4,559) — —
table: ERP integration costs/IT transition costs 8,813 80 7,045
table: Stock-based compensation 12,866 7,657 4,720
table: Legal expenses/fines related to antitrust class actions 11,896 16,636 2,640
table: Net foreign exchange (gain) loss (7,230) 13,145 (3,758)
table: TOKIN investment-related expenses — — 1,101
table: Plant start-up costs (2) (927) 929 427
table: Amortization included in interest expense 1,872 2,467 761
table: Income tax effect of non-GAAP adjustments (50,012) (30) (741)
table: Loss on early extinguishment of debt 15,946 486 —
table: Adjusted net income (non-GAAP) (1) $208,995 $102,276 $23,084
question: Analyse this data from a financial earnings document. What was the change in the Legal expenses/fines related to antitrust class actions between 2017 and 2018?