Selected Consolidated Financial Data The following selected consolidated financial data as of and for the years ended December  31 ,  2000 ,  2001 ,  2002 ,  2003  and  2004  have been derived from the audited consolidated financial statements. (1) In January  2002 , we adopted SFAS  142 , “Goodwill and Other Intangible Assets.” Assuming no amortization of goodwill and other indefi- nite lived intangibles for all periods presented prior to adoption, net income would have been $ 68  million and $ 57  million for each of the  years ended December  31 ,  2000  and  2001 , respectively. For  2003 , net income includes a pre-tax, non-recurring charge of $ 6  million due to  restructuring and other charges incurred during the third quarter. (2) Active distributors include preferred customers and distributors purchasing products directly from us during the three months ended as of  the date indicated. An executive distributor is an active distributor who has achieved required personal and group sales volumes. Following  the opening of our retail business in China during  2003 , active distributors includes  117 , 000  and  147 , 000  preferred customers in China  and executive distributors includes  3 , 100  and  5 , 437  employed, full-time sales representatives for the years ended December  31 ,  2003  and  2004 , respectively. 2000 2001 2002 2003 2004 (U.S. dollars in thousands, except per share data) Income Statement Data ( year ended December  31 ) : Revenue  $ 879,758 $ 885,621 $ 964,067 $ 986,457 $ 1,137,864 Cost of sales  149,342 178,083 190,868 176,545 191,211 Gross profi t 730,416 707,538 773,199 809,912 946,653 Operating expenses: Selling expenses 345,259 347,452 382,159 407,088 487,631 General and administrative expenses 294,744 288,605 285,229 289,925 333,263 Restructuring and other charges — — — 5,592 — Total operating expenses 640,003 636,057 667,388 702,605 820,894 Operating income 90,413 71,481 105,811 107,307 125,759 Other income (expense), net 5,993 8,380 (2,886) 432 (3,618) Income before provision for income taxes 96,406 79,861 102,925 107,739 122,141 Provision for income taxes 34,706 29,548 38,082 39,863 44,467 Net income  (1) $ 61,700 $ 50,313 $ 64,843 $ 67,876 $ 77,674 Net income per share: Basic $ 0.72 $ 0.60 $ 0.79 $ 0.86 $ 1.10 Diluted $ 0.72 $ 0.60 $ 0.78 $ 0.85 $ 1.07 Weighted-average common shares outstanding (000s): Basic 85,401 83,472 81,731 78,637 70,734 Diluted 85,642 83,915 83,128 79,541 72,627 Balance Sheet Data  (at end of period) : Cash and cash equivalents and current investments $ 63,996 $ 75,923 $ 120,341 $ 122,568 $ 120,095 Working capital 123,828 153,495 181,942 149,324 117,401 Total assets 555,621 546,024 577,794 591,059 609,737 Current portion of long-term debt — — — 17,915 18,540 Long-term debt 84,884 73,718 81,732 147,488 132,701 Stockholders’ equity 366,733 379,890 386,486 290,248 296,233 Supplemental Operating Data  (at end of period) : Approximate number of active distributors  (2) 497,000 558,000 566,000 725,000 820,000 Number of executive distributors  (2) 21,381 24,839 27,915 29,131 32,016 33