pre_text: NOTE 23. EXPENSES BY NATURE Research and development consists of the following: The impairment expenses in 2018 and 2019 are related to customer specific projects. The Company’s operations in the Netherlands, Belgium and the United States receive research and development grants and credits from various sources.
table: Year ended December 31,
table: 2018 2019
table: Research and development expenses 125,280 150,745
table: Capitalization of development expenses (49,688) (60,202)
table: Amortization of capitalized development expenses 12,039 15,597
table: Research and development grants and credits (321) (49)
table: Total research and development expenses 87,310 106,091
table: Impairment of research and development related assets 1,278 4,755
table: Total 88,588 110,846
question: Analyse this data from a financial earnings document. What is the change in total Research and development expenses?