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:
|  |  |  | Twelve Months Ended December 31, | Twelve Months Ended December 31, | Twelve Months Ended December 31, |
| --- | --- | --- | --- | --- | --- |
|  |  |  | 2018 | 2017 | % Change |
| Consolidated: | Total CASM |  | 11.66¢ | 10.77¢ | 8.3 % |
| Less the following components: | Consolidated: | Aircraft fuel, including hedging gains and losses | 2.96 | 2.33 | 27.0 % |
| Less the following components: | Consolidated: | Special items—merger-related costs (a) | 0.13 | 0.19 | (31.6)% |
| Less the following components: | Consolidated: | Special items—other (a) | 0.07 | — | NM |
| Less the following components: | Consolidated: | CASM, excluding fuel and special items | 8.50¢ | 8.25¢ | 3.0 % |
| Mainline: | Total CASM |  | 10.78¢ | 9.94¢ | 8.5 % |
| Less the following components: | Mainline: | Aircraft fuel, including hedging gains and losses | 2.83 | 2.24 | 26.3 % |
| Less the following components: | Mainline: | Special items—merger-related costs (a) | 0.14 | 0.20 | (30.0)% |
| Less the following components: | Mainline: | Special items—other (a) | 0.08 | — | NM |
| Less the following components: | Mainline: | CASM, excluding fuel and special items | 7.73¢ | 7.50¢ | 3.1 % |
Question:
What was the consolidated aircraft fuel expense, including hedging gains and losses for Alaska airlines in 2017?
Answer:
2.33