I finally found the statistics on the 25 year growth. Fascinating data:

MS-DOS and Windows PC Sales

| USA Million Units | WW Million Units | USA Value $B | WW Value $B |
| 1981-1985 | 3.8 | 5.7 | 10.5 | 16.9 |
| 1986-1990 | 28.1 | 60.3 | 76.4 | 181 |
| 1991-1995 | 64.3 | 172 | 153 | 447 |
| 1996-2000 | 162 | 444 | 335 | 1,010 |
| 2001-8/2006 | 267 | 855 | 424 | 1,440 |
| 8/1981-8/2006 | 580 | 1,540 | 998 | 3,100 |

Here are the latest shares. Amazing to see that Apple today is the #5 producer of PCs in the world:

| Rank | Vendor | 4Q07 Ships | 4Q07 Share | 4Q06 Ships | 4Q07 Share | 4Q07/06 Growth |
| 1 | Dell | 5,510 | 29.6% | 4,783 | 28% | 15% |
| 2 | HP | 4,522 | 24.3% | 4,117 | 24.1% | 9.8% |
| 3 | Acer | 1,527 | 8.2% | 387 | 2.3% | 294.2% |
| 4 | Apple | 1,058 | 5.7% | 808 | 4.7% | 30.9% |
| 5 | Toshiba | 903 | 4.9% | 800 | 4.7% | 12.8% |
| Other | 5,092 | 27.4% | 6,203 | 36.3% | (17.9%) |
| Total | 18,612 | 100% | 17,100 | 100% | 8.8% |

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I’m Rich & Co.

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