Table:
|  |  | For the year ended December 31, |  |
| --- | --- | --- | --- |
|  | 2017 | 2018 | 2019 |
| Revenues from fixed rate time charters | 485,961 | 515,324 | 558,266 |
| Revenues from variable rate time charters | — | — | 64,334 |
| Revenues from The Cool Pool Limited (GasLog vessels) | 38,046 | 102,253 | 45,253 |
| Revenues from vessel management services | 1,222 | 767 | 784 |
| Total | 525,229 | 618,344 | 668,637 |
Paragraphs:
GasLog Ltd. and its Subsidiaries
Notes to the consolidated financial statements (Continued)
For the years ended December 31, 2017, 2018 and 2019
(All amounts expressed in thousands of U.S. Dollars, except share and per share data)
18. Revenues from Contracts with Customers
The Group has recognized the following amounts relating to revenues:
Revenues from The Cool Pool Limited relate only to the pool revenues received from GasLog’s vessels operating in the Cool Pool and do not include the Net pool allocation to GasLog of ($4,264) for the year ended December 31, 2019 ($17,818 for the year ended December 31, 2018 and $7,254 for the year ended December 31, 2017), which is recorded as a separate line item in the Profit or Loss Statement.
Following the exit from the Cool Pool, management allocates revenues from time charters to two categories: (a) variable rate charters and (b) fixed rate charters. The variable rate charter category contains vessels operating in the LNG carrier spot and short-term market or those which have a variable rate of hire across the charter period.
Question:
What are the components of the revenues?
Answer: Revenues from fixed rate time charters, Revenues from variable rate time charters, Revenues from The Cool Pool Limited (GasLog vessels), Revenues from vessel management services