hosted by Geocities
production numbers
| Year | Omni | Horizon |
| 1978 | 81,611 | 106,772 |
| 1979 | 141,477 | 162,763 |
| 1980 | 138,155 | 162,478 |
| 1981 | 77,039 | 94,859 |
| 1982 | 71,864 | 37,196 |
| 1983 | 42,554 | 46,471 |
| 1984 | 71,355 | 78,564 |
| 1985 | 74,127 | 88,011 |
| 1986 | 73,580 | 84,508 |
| 1987 | 66,907 | 79,449 |
| 1988 | 59,867 | 61,715 |
| 1989 | 46,239 | 45,341 |
| 1990 | 16,733 | 16,397 |
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