Notes to Consolidated Financial Statements  Years ended December 31, 2012 and 2011 21. Equity (continued)  The components of accumulated other comprehensive income (loss) are as follows: At December 31, 2012, there were 5,013,079 (2011 - 947,511) potentially dilutive shares that have not been included in  the diluted earnings per share calculation for the periods presented because their effect is anti-dilutive. We declared dividends of $0.40 and $0.45 per share in the second and fourth quarters of 2012, and $0.30 and $0.40  per share in the second and fourth quarters of 2011, respectively. Dividends of $0.45 per share with a record date of  December 14, 2012, were paid in January, 2013. h) Dividends Teck 2012 Annual Report 118 g) Earnings Per Share The following table reconciles our basic and diluted earnings per share: (Cdn$ in millions) 2012 2011 Currency translation differences  $ (39) $ 10 Unrealized gains on available for sale financial assets (net of taxes of $nil for 2012 and $(2) for 2011)  – 3 Unrealized gains on cash flow hedges (net of taxes of $nil for 2012 and $nil for 2011)  – 1 Accumulated other comprehensive income (loss)  $ (39) $ 14 Accumulated other comprehensive income (loss) attributed to: Shareholders of the company  $ (35) $ 16 Non-controlling interests (4) (2) $ (39) $ 14 (Cdn$ in millions, except per share data) 2012 2011 Net basic and diluted profit attributable to shareholders of the company  $ 811 $ 2,668 Weighted average shares outstanding (000’s)  585,522 590,424 Dilutive effect of share options  1,379 2,208 Weighted average diluted shares outstanding  586,901 592,632 Basic earnings per share  $ 1.39 $ 4.52 Diluted earnings per share  $ 1.38 $ 4.50