Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
|  | Year ended December 31, | Year ended December 31, | Per ASM | Percent |
| --- | --- | --- | --- | --- |
|  | 2019 | 2018 | change | change |
| Salaries, wages, and benefits | 5.27¢ | 4.79¢ | 0.48¢ | 10.0 % |
| Fuel and oil | 2.76 | 2.89 | (0.13) | (4.5) |
| Maintenance materials and repairs | 0.78 | 0.69 | 0.09 | 13.0 |
| Landing fees and airport rentals | 0.87 | 0.83 | 0.04 | 4.8 |
| Depreciation and amortization | 0.78 | 0.75 | 0.03 | 4.0 |
| Other operating expenses | 1.92 | 1.79 | 0.13 | 7.3 |
| Total | 12.38¢ | 11.74¢ | 0.64¢ | 5.5 % |
Question:
what was the percentage change for other operating expenses for Southwest in 2019?
Answer:
7.3