16. Other Non-Current Assets

Thousands of Russian Roubles, unless otherwise stated

31 December 2011 31 December 2010
Trade accounts receivable 99,353 9,960
Non-current prepayments 3,562 1,538
Other accounts receivable 36,289 47,693
Other accounts receivable impairment allowance (2,123) (1,658)
Other assets 36,708 76,665
173,789 134,198

Return to Notes to the Consolidated Financial Statements for the year ended 31 December 2011