pre_text: Results of Operations: Year Ended December 31, 2019, versus Year Ended December 31, 2018 (Amounts in thousands, except percentages and per share amounts): Other income and expense items are summarized in the following table: Interest expense increased mainly as a result of an increase in debt related to the QTI acquisition. Other expense in 2019 was principally driven by foreign currency translation losses, mainly due to the appreciation of the U.S. Dollar compared to the Chinese Renminbi and Euro, as well as an increase in pension expense.
table: Years Ended December 31,
table: 2019 2018
table: Interest expense $(2,648) $(2,085)
table: Interest income 1,737 1,826
table: Other (expense) income (2,638) (2,676)
table: Total other (expense) income, net $(3,549) $(2,935)
question: Analyse this data from a financial earnings document. What was the change in Other (expense) income between 2018 and 2019?