pre_text: Selling and Administrative Expenses. Selling and administrative expenses increased $124.2 million in 2019 compared to 2018. Our selling and administrative expenses by major expense type for 2019 and 2018 were as follows (dollars in thousands): Selling and administrative expenses increased approximately 70 basis points as a percentage of net sales in 2019 compared to 2018. The increase in expenses reflects the addition of PCM to our North America and EMEA segments, effective August 30, 2019. The addition of PCM and increased variable compensation resulting from increased sales and gross profit in 2019 compared to 2018 were the primary drivers for the $90.9 million increase in personnel costs. PCM was also the primary driver for year over year increases in facilities, travel and entertainment, and marketing expenses. Depreciation and amortization expense increased approximately $8.8 million year over year, primarily due to additional amortization expense on newly acquired intangible assets.
table: 2019 2018 Change
table: Personnel costs, including teammate benefits $684,837 $593,955 $90,882
table: Depreciation and amortization 46,209 37,458 8,751
table: Facility expenses 30,945 26,396 4,549
table: Travel and entertainment 28,402 25,656 2,746
table: Legal and professional fees 16,839 16,103 736
table: Marketing 11,597 10,345 1,252
table: Other 61,908 46,616 15,292
table: Total $880,737 $756,529 $124,208
question: Analyse this data from a financial earnings document. What is the change in Personnel costs, including teammate benefits between 2018 and 2019?