Serial number range: 1585001-3890506 (1958-2000, approx. 103,910 produced). Production by year: 1958: #1585001-1640600 (170 units); 1959: #1649001-1710000 (8,550 units); 1960: #1735001-1808000 (8,400 units); 1961: #1878001-1880000 (2,000 units); 1962: #1917001-1920000 (3,000 units); ... ; 1996: #3759500-3769929 (1,120 units); 1997: #3776430-3812109 (3,800 units); 1998: #3823625-3857349 (2,750 units); 1999: #3860127-3870166 (800 units); 2000: #3882997-3890506 (500 units)