(in thousands, except per share amounts) 1995 1996 1997 1998 1999  Operating Results Net sales $3,676,328 $5,035,228 $6,293,680 $7,467,925 $8,645,561 Gross margin $606,094 $936,155 $1,076,441 $1,546,274 $1,899,817 Net income $172,981 $250,679 $109,797 $346,399 $427,944 Net income per share:    Basic    Diluted $0.60 $0.55 $0.82 $0.80 $0.36 $0.35 $1.11 $1.09 $1.36 $1.32  Financial Position Total assets $1,124,011 $1,673,411 $2,039,271 $2,890,380 $3,954,688 Long-term obligations, net of current maturities $10,805 $7,244 $7,240 $3,360 $2,998  Key Ratios Days of sales in accounts receivable 29 26 23 22 24 Days inventory on hand 20 17 17 9 9 Days in accounts payable 21 29 27 36 43 Cash conversion cycle 28 14 13 (5) (10)  Other Data Employees (year end, approximate) 9,300 9,700 13,300 19,300 21,000 Weighted average shares outstanding:    Basic    Diluted 290,512 315,976 305,490 312,474 307,680 312,402 311,084 317,857 313,974 324,421 Closing stock price $6.13 $13.39 $16.38 $25.59 $72.06 Market capitalization $1,828,036 $4,111,051 $5,049,233 $8,013,201 $23,080,353