Trades and other accounts receivable

Trade and other accounts receivable as at 31 December 2012 and 2011, 2010 comprised of the following:


  Gross, 31 December 2012 Doubtful debt allowance Net, 31 December 2012
Amounts due from customers for operating activities 33,517 (4,849) 28,668
Amounts due from customers for non-operating activities 3,302 (746) 2,556
Amounts due from commissioners and agents 2,005 - 2,005
Amounts due from personnel 146 - 146
Amounts due from other debtors 1,095 (478) 617
Total trade and other accounts receivable 40,065 (6,073) 33,992
  Gross, 31 December 2011 Doubtful debt allowance Net, 31 December 2011
Amounts due from customers for operating activities 28,511 (4,666) 23,845
Amounts due from customers for non-operating activities 2,639 (718) 1,921
Amounts due from commissioners and agents 1,624 - 1,624
Amounts due from personnel 90 - 90
Amounts due from other debtors 1,684 (374) 1,310
Total trade and other accounts receivable 34,548 (5,758) 28,790
Gross, 31 December 2010 Doubtful debt allowance Net, 31 December 2010
Amounts due from customers for operating activities 27,836 (5,161) 22,675
Amounts due from customers for non-operating activities 2,156 (961) 1,195
Amounts due from commissioners and agents 1,122 - 1,122
Amounts due from personnel 153 - 153
Amounts due from other debtors 1,181 (446) 735
Total trade and other accounts receivable 32,448 (6,568) 25,880

As at 31 December 2012, 2011 and 2010 settlements with customers for operating activities included settlements with the following counterparties:


  31 December 2012 31 December 2011 31 December 2010
Residential customers 13,032  13,312 12,311
Corporate customers 4,909 5,047 4,299
Governmental customers 9,375 5,378 5,640
Interconnected operators - domestic 4,488 3,354 4,269
Interconnected operators - international 1,713 1,420 1,314
Social security bodies - - 3
Less: doubtful debt allowance (4,849)  (4,666)  (5,161)
Total accounts receivable due from customers for operating activities 28,668 23,845 22,675

Based on historic default rates, management believes that trade and other receivables are adequately provided.

As at 31 December 2012, 2011 and 2010 the share of accounts receivable that are past due but not impaired amounted to approximately nil, nil and 4% of the Group’s total accounts receivable, respectively.

The following table summarizes the changes in the allowance for doubtful accounts receivable, advances and other assets for the years ended 31 December 2012, 2011 and 2010:


  2012 2011 2010
Balance, beginning of year (5,993) (6,711) (6,064)
Bad debt expense (1,318) (572) (736)
Acquisition through business combinations - (299) (914)
Accounts receivable written-off 1,007 1,589 1,003
Balance, end of year (6,304) (5,993) (6,711)

As at 31 December 2012, 2011 and 2010 amounts due from other debtors include finance lease receivables of 179, 180 and 151, respectively.

Finance income for the years ended 31 December 2012, 2011 and 2010 amounted to 46, 44 and 81, respectively, and are included in other investing and financial gain in these consolidated statements of comprehensive income.

Future minimum lease payments together with the present value of the net minimum lease payments as at 31 December 2012, 2011 and 2010 are as follows:


  31 December 2012
  Gross
investments
in lease
Present value of
minimum lease
payments
Current portion (less than 1 year) 48 3
More than 1 to 5 years 191 21
Over 5 years 370 155
Total 609 179

  31 December 2011
  Gross
investments
in lease
Present value of
minimum lease
payments
Current portion (less than 1 year) 47 2
More than 1 to 5 years 191 16
Over 5 years 415 162
Total 653 180

  31 December 2010
  Gross
investments
in lease
Present value of
minimum lease
payments
Current portion (less than 1 year) 39 2
More than 1 to 5 years 156 12
Over 5 years 336 137
Total 531 151

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