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CONSOLIDATED STATEMENTS OF INCOME (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Retail water revenues | $ 23,356,338 | $ 21,864,252 | $ 23,239,756
Bulk water revenues | 30,757,874 | 25,302,093 | 25,905,077
Services revenues | 1,040,280 | 3,542,209 | 8,874,684
Total revenues | 55,154,492 | 50,708,554 | 58,019,517
Cost of retail revenues | 11,496,598 | 10,361,302 | 9,812,434
Cost of bulk revenues | 24,127,488 | 20,907,981 | 20,149,969
Cost of services revenues | 508,339 | 2,828,776 | 5,058,037
Total cost of revenues | 36,132,425 | 34,098,059 | 35,020,440
Gross profit | 19,022,067 | 16,610,495 | 22,999,077
General and administrative expenses | 13,651,650 | 11,329,648 | 10,101,257
Income from operations | 5,370,417 | 5,280,847 | 12,897,820
Other income (expense): |  |  |
Interest income | 1,200,999 | 1,375,827 | 917,330
Interest expense | (1,141,744) | (1,584,771) | (1,698,084)
Other income | 283,656 | 136,113 | 168,584
Equity in earnings (loss) of OC-BVI | 838,652 | 1,235,146 | (1,025,968)
Impairment of investment in OC-BVI |  |  | (4,660,000)
Other income (expense), net | 1,181,563 | 1,162,315 | (6,298,138)
Net income | 6,551,980 | 6,443,162 | 6,599,682
Income attributable to non-controlling interests | 438,762 | 151,137 | 501,111
Net income attributable to Consolidated Water Co. Ltd. stockholders | $ 6,113,218 | $ 6,292,025 | $ 6,098,571
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders | $ 0.42 | $ 0.43 | $ 0.42
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders | $ 0.42 | $ 0.43 | $ 0.42
Dividends declared per common share | $ 0.300 | $ 0.300 | $ 0.280
Weighted average number of common shares used in the determination of: |  |  |
Basic earnings per share | 14,560,259 | 14,547,065 | 14,535,192
Diluted earnings per share | 14,596,013 | 14,597,894 | 14,588,144

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