28.1 Provisions for retirement benefits

Change in the balance of provision for retirement benefits1 January - 31 December 20131 January - 31 December 2012
Opening balance 12 145 93 832
Changes recognized in profit or loss 2 654 (68 770)
- current service cost 1 084 3 113
- past service cost 440 (64 225)
- interest income or expense 1 130 1 974
- actuarial gains and (losses) recognized in the period nd. 1 (9 632)
Remeasurement of provision (changes recognized in other comprehensive income) (862) n/a
- actuarial gains and losses resulting from changes in demographic assumptions 113 n/a
- actuarial gains and losses resulting from changes in financial assumptions (975) n/a
Benefits paid (1 806) (12 917)
Change in composition of the group 10 -
Closing balance 12 141 12 145

1) Following revision of IAS 19, effective from 2013 actuarial gains and losses are presented in other comprehensive income and not in profit or loss (as it was in 2012).

Total expected cash flows from retirement benefits since the end of the reporting period 
Up to 3 months 64
Over 3 months and up to 1 year 494
Over 1 year and up to 5 years 3 040
Over 5 years 65 092
Total 68 690