| | Stage 1 (1) | | Stage 2 (2) | | Stage 3 (3) | | Total | | ||||
Allowance for expected credit losses as of December 31, 2016 | | | 42 | | | 263 | | | - | | | 305 | |
Transfer to lifetime expected credit losses | | | - | | | - | | | - | | | - | |
Transfer to credit-impaired financial assets | | | - | | | - | | | - | | | - | |
Transfer to 12-month expected credit losses | | | - | | | - | | | - | | | - | |
Net effect of changes in reserve for expected credit losses | | | (6) | | | (65) | | | - | | | (71) | |
Financial assets that have been derecognized during the year | | | (12) | | | - | | | - | | | (12) | |
Changes due to financial instruments recognized as of December 31, 2016: | | | (18) | | | (65) | | | - | | | (83) | |
New financial assets originated or purchased | | | - | | | - | | | - | | | - | |
Write-offs | | | - | | | - | | | - | | | - | |
Allowance for expected credit losses as of December 31, 2017 | | | 24 | | | 198 | | | - | | | 222 | |
| | Stage 1 (1) | | Stage 2 (2) | | Stage 3 (3) | | Total | | ||||
Allowance for expected credit losses as of December 31, 2015 | | | 234 | | | 178 | | | 6,737 | | | 7,149 | |
Transfer to lifetime expected credit losses | | | (31) | | | 456 | | | - | | | 425 | |
Transfer to credit-impaired financial assets | | | - | | | - | | | - | | | - | |
Transfer to 12-month expected credit losses | | | - | | | - | | | - | | | - | |
Net effect of changes in reserve for expected credit losses | | | (15) | | | (168) | | | - | | | (183) | |
Financial assets that have been derecognized during the year | | | (174) | | | (203) | | | - | | | (377) | |
Changes due to financial instruments recognized as of December 31, 2015: | | | (220) | | | 85 | | | - | | | (135) | |
New financial assets originated or purchased | | | 28 | | | - | | | - | | | 28 | |
Write-offs | | | - | | | - | | | (6,737) | | | (6,737) | |
Allowance for expected credit losses as of December 31, 2016 | | | 42 | | | 263 | | | - | | | 305 | |
(1) | 12-month expected credit losses. |
(2) | Lifetime expected credit losses. |
| (3) | Credit-impaired financial assets (lifetime expected credit losses). |