| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
|---|---|---|---|---|---|---|
| EDI and other private networks | $396.00 | $458.00 | $508.00 | $536.00 | $539.00 | $541.00 |
| Direct corporate Internet purchases* | 87.00 | 242.00 | 503.00 | 779.00 | 1,082.00 | 1,393.00 |
| Electronic B-to-B marketplaces | 5.00 | 43.00 | 172.00 | 354.00 | 593.00 | 843.00 |
| Sources: Yankee Group, The Wall Street Journal | ||||||
| *Defined as direct Internet purchases from a Web site without an intermediary such as a B-to-B exchange | ||||||