19. Research and Development Expenses
|
|
Year Ended December 31, |
||||
(in thousands of $) |
|
2022 |
|
2021 |
|
2020 |
Personnel expenses |
|
162,010 |
|
160,464 |
|
86,036 |
External research and development expenses |
|
366,955 |
|
382,902 |
|
259,943 |
Materials and consumables |
|
2,396 |
|
2,735 |
|
3,562 |
Depreciation and amortization |
|
102,132 |
|
3,742 |
|
2,835 |
Other expenses |
|
29,872 |
|
30,677 |
|
18,509 |
Total research and development expenses |
|
663,366 |
|
580,520 |
|
370,885 |