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, | Increase (Decrease) | % Increase (Decrease) |
| --- | --- | --- | --- | --- |
|  | 2017 | 2016 |  |  |
| Loyalty programs | $1,952 | $1,782 | $170 | 9.5 % |
| Administrative fees, club and on-board sales | 1,252 | 1,205 | 47 | 3.9 % |
| Ancillary businesses and refinery | 1,412 | 1,129 | 283 | 25.1 % |
| Baggage fees | 908 | 881 | 27 | 3.1 % |
| Other | 172 | 197 | (25) | (12.7)% |
| Total | $5,696 | $5,194 | $502 | 9.7 % |
Question:
How much did the total revenue increase for Delta airlines in 2017 ?
Answer:
$502