| 1994 | 1995 | 1996 | ||
| Common stock and paid-in capital | ||||
| Balance, beginning of year | $1,086 | $1,500 | $2,005 | |
| Common stock issued | 280 | 332 | 504 | |
| Common stock repurchased | (17) | (30) | (41) | |
| Proceeds from sale of put warrants | -- | 49 | 124 | |
| Reclassification of put warrant obligation | -- | (25) | (20) | |
| Stock option income tax benefits | 151 | 179 | 352 | |
| Balance, end of year | 1,500 | 2,005 | 2,924 | |
| Retained earnings | ||||
| Balance, beginning of year | 2,156 | 2,950 | 3,328 | |
| Common stock repurchased | (331) | (668) | (1,344) | |
| Reclassification of put warrant obligation | -- | (380) | (210) | |
| Net income | 1,146 | 1,453 | 2,195 | |
| Equity adjustments | (21) | (27) | 15 | |
| Balance, end of year | 2,950 | 3,328 | 3,984 | |
| Total stockholders' equity | $4,450 | $5,333 | $6,908 |  |
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