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, | Twelve Months Ended December 31, |
| --- | --- | --- | --- | --- | --- |
|  |  | 2018 | 2017 | Change | 2016 |
| Consolidated Operating Statistics: (a) | Revenue passengers (000) | 45,802 | 44,005 | 4.1% | 34,289 |
| Consolidated Operating Statistics: (a) | RPMs (000,000) "traffic" | 54,673 | 52,338 | 4.5% | 37,209 |
| Consolidated Operating Statistics: (a) | ASMs (000,000) "capacity" | 65,335 | 62,072 | 5.3% | 44,135 |
| Consolidated Operating Statistics: (a) | Load factor | 83.7% | 84.3% | (0.6) pts | 84.3% |
| Consolidated Operating Statistics: (a) | Yield (d) | 13.96¢ | 13.95¢ | 0.1% | 14.49¢ |
| Consolidated Operating Statistics: (a) | RASM (d) | 12.65¢ | 12.72¢ | (0.6)% | 13.43¢ |
| Consolidated Operating Statistics: (a) | CASM excluding fuel and special items (b)(d) | 8.50¢ | 8.25¢ | 3.0% | 8.32¢ |
| Consolidated Operating Statistics: (a) | Economic fuel cost per gallon (b) | $2.28 | $1.82 | 25.3% | $1.52 |
| Consolidated Operating Statistics: (a) | Fuel gallons (000,000) | 839 | 797 | 5.3% | 554 |
| Consolidated Operating Statistics: (a) | ASM's per gallon | 77.9 | 77.9 | —% | 79.7 |
| Consolidated Operating Statistics: (a) | Average number of full-time equivalent employees (FTEs) | 21,641 | 20,183 | 7.2% | 14,760 |
| Mainline Operating Statistics: | Revenue passengers (000) | 35,603 | 34,510 | 3.2% | 24,838 |
| Mainline Operating Statistics: | RPMs (000,000) "traffic" | 49,781 | 48,236 | 3.2% | 33,489 |
| Mainline Operating Statistics: | ASMs (000,000) "capacity" | 59,187 | 56,945 | 3.9% | 39,473 |
| Mainline Operating Statistics: | Load factor | 84.1% | 84.7% | (0.6) pts | 84.8% |
| Mainline Operating Statistics: | Yield (d) | 13.01¢ | 13.02¢ | (0.1)% | 13.18¢ |
| Mainline Operating Statistics: | RASM (d) | 11.93¢ | 12.00¢ | (0.6)% | 15.01¢ |
| Mainline Operating Statistics: | CASM excluding fuel and special items (b)(d) | 7.73¢ | 7.50¢ | 3.1% | 7.39¢ |
| Mainline Operating Statistics: | Economic fuel cost per gallon (b) | $2.27 | $1.82 | 24.7% | $1.52 |
| Mainline Operating Statistics: | Fuel gallons (000,000) | 727 | 706 | 3.0% | 474 |
| Mainline Operating Statistics: | ASM's per gallon | 81.4 | 80.7 | 0.9% | 83.3 |
| Mainline Operating Statistics: | Average number of FTEs | 16,353 | 15,653 | 4.5% | 11,447 |
| Mainline Operating Statistics: | Aircraft utilization | 11.2 | 11.2 | —% | 10.5 |
| Mainline Operating Statistics: | Average aircraft stage length | 1,298 | 1,301 | (0.2)% | 1,225 |
| Mainline Operating Statistics: | Mainline operating fleet at period-end | 233 a/c | 221 a/c | 12 a/c | 218 a/c |
| Regional Operating Statistics: (c) | Revenue passengers (000) | 10,199 | 9,495 | 7.4% | 9,452 |
| Regional Operating Statistics: (c) | RPMs (000,000) "traffic" | 4,892 | 4,101 | 19.3% | 3,720 |
| Regional Operating Statistics: (c) | ASMs (000,000) "capacity" | 6,148 | 5,127 | 19.9% | 4,662 |
| Regional Operating Statistics: (c) | Load factor | 79.6% | 80.0% | (0.4) pts | 79.8% |
| Regional Operating Statistics: (c) | Yield (d) | 23.66¢ | 24.96¢ | (5.2)% | 26.26¢ |
Question:
What was the ASMs capacity of Alaska Airlines in 2018 ?
Answer:
59,187