| | | 2017 | | 2016 | | ||
| Less than 3-month overdue | | | 65,354 | | | 179,008 | |
| Between 3- and 6-month overdue | | | 1,131 | | | 14,275 | |
| More than 6-month overdue | | | 79,688 | | | 103,574 | |
| | | | 146,173 | | | 296,857 | |