Item 6.  Selected Financial Data. 89 ($ in millions, except per-share amounts and ratios) 2012 2011 2010 2009 2008 Consolidated Statements of Operations Net premiums earned—insurance. . . . . . . . . . . . . . . . . . . . . $ 739.0 $ 756.0 $ 825.7 $ 825.9 $ 971.8 Net investment income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114.3 163.5 178.8 214.2 263.0 Net gains (losses) on investments . . . . . . . . . . . . . . . . . . . . . 184.9 202.2 139.9 257.1 (109.8) Net impairment losses recognized in earnings. . . . . . . . . . . . — (1.2) (0.1) (9.3) (55.2) Change in fair value of derivative instruments. . . . . . . . . . . (144.0) 628.4 (558.7) 100.0 710.9 Net (losses) gains on other financial instruments. . . . . . . . . (82.3) 193.3 (211.7) (88.6) 15.5 Gain on sale of affiliate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.7 — 34.8 — — Other income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.8 5.6 8.7 14.0 11.7 Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825.4 1,947.8 417.5 1,313.4 1,808.0 Provision for losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 959.2 1,296.5 1,739.2 1,337.6 2,205.3 Change in reserve for premium deficiency. . . . . . . . . . . . . . — (7.1) (14.6) (61.5) (108.8) Policy acquisition costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61.9 52.8 53.5 63.0 136.4 Other operating expenses. . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.7 175.8 191.9 203.8 255.5 Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.8 61.4 41.8 46.0 53.5 Equity in net income of affiliates . . . . . . . . . . . . . . . . . . . . . . — 0.1 14.7 33.2 59.8 Pretax (loss) income. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (444.2) 368.5 (1,579.7) (242.3) (674.1) Net (loss) income. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (451.5) 302.2 (1,805.9) (147.9) (410.6) Diluted net (loss) income per share (1). . . . . . . . . . . . . . . . . $ (3.41) $ 2.26 $ (15.74) $ (1.80) $ (5.12) Cash dividends declared per share. . . . . . . . . . . . . . . . . . . . . $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.045 Average shares outstanding-diluted. . . . . . . . . . . . . . . . . . . . 132.5 133.9 114.7 81.9 80.3 The information in the following table should be read in conjunction with our Consolidated Financial Statements and  Notes thereto included in Item 8 and the information included in Item 7, “Management’ s Discussion and Analysis of Financial  Condition and Results of Operations.”