pre_text: The operating expense line items in our income statement include the following share-based payment expenses: Share-Based Payment Expenses by Functional Area In 2019, we paid €79 million in share-based payments that became fully vested because of terminations due to operational reasons in connection with our restructuring plan. These payments as well as the expense portion initially allocated to future services were classified as share-based payments and not as restructuring expenses.
table: € millions 2019 2018 2017
table: Cost of cloud and software 138 78 115
table: Cost of services 246 142 158
table: Research and development 429 210 269
table: Sales and marketing 562 312 442
table: General and administration 461 88 135
table: Share-based payment expenses 1,835 830 1,120
table: Thereof cash-settled share-based payments 1,664 674 963
table: Thereof equity-settled share-based payments 171 156 157
question: Analyse this data from a financial earnings document. What was the change in Cost of cloud and software in 2019 from 2018?