Serial number range: 3004101-3879376 (1979-1999, approx. 2,960 produced). Production by year: 1979: #3004101-3004850 (750 units); 1982: #3216801-3218000 (1,200 units); 1984: #3308701-3309700 (1,000 units); 1999: #3879367-3879376 (10 units).