Buy annual subscriptions for all our products.
| Company | Unit | Mar 2015 | Jun 2015 | Sep 2015 | Dec 2015 | Mar 2016 | Jun 2016 | Sep 2016 | Dec 2016 | Mar 2017 | Jun 2017 | Sep 2017 | Dec 2017 | Mar 2018 | Jun 2018 | Sep 2018 | Dec 2018 | Mar 2019 | Jun 2019 |
| Qudian | CNY mil | 149 | 278 | 452 | 338 | 579 |
Helgi Library 
