| | | December 31, | | ||||
| | | 2017 | | 2016 | | ||
| | | (in thousands) | | ||||
| From common stock | | $ | 52,756,091 | | | 52,756,091 | |
| From convertible bonds | | | 6,049,862 | | | 6,049,862 | |
| From others | | | 1,732,552 | | | 1,171,790 | |
| | | $ | 60,538,505 | | | 59,977,743 | |