| Early warning analysis | |||
| Month | Total net revenues | Total sales | Total purchase |
| Jan.2014 | 0 | 0 | 0 |
| Feb.2014 | 0 | −1 | 0 |
| Mar.2014 | 0 | 0 | 0 |
| Apr.2014 | 0 | 0 | −1 |
| May.2014 | 0 | 0 | 0 |
| Jun.2014 | 0 | −1 | 0 |
| Jul.2014 | −1 | −1 | 0 |
| Aug.2014 | −1 | 0 | −1 |
| Sept.2014 | −1 | 0 | 0 |
| Oct.2014 | 0 | 1 | 0 |
| Nov.2014 | 0 | −1 | 0 |
| Dec.2014 | −2 | 0 | −1 |
| Jan.2015 | 0 | 0 | 0 |
| Feb.2015 | 0 | 0 | 0 |
| Mar.2015 | 0 | −1 | 0 |
| Apr.2015 | 0 | 1 | 0 |
| May.2015 | 0 | 0 | 0 |
| Jun.2015 | 0 | 0 | 0 |