The production figures cited here come from KMZ.You can find details by year, on http://www.zenitcamera.com/catalog/cameraproduction.html. In the "Zenit Automat family", I include the subfamilies A, AP and AS of the site.
Zenit Automat:68002ex between 1984 and 1994.Automatic based on the Zenit 14 prototype. Fabric curtain shutter. No separate figures for the Auto and for the AUTOMAT using EFCO electronics. Zenit 14:567ex. from 1987 to 1990:Semi-automatic, same basis as Automat. Zenit AM:11802ex. produced between 1988 and 1995.Metallic curtain shutter FZL-84 , Soviet made. Zenit AM-2:27240ex. from 1992 to 1997.Zenit AM without selftimer. Zenit AM-3:13ex. in 1994-1995.Characteristics unknown. Zenit APM:15ex. in 1994-1995.Automatic, switchable to semi-automatic, FZL-84 shutter. Zenit APK:6394ex. between 1992 and 1998. As APM but Copal EM-SMS-578MM shutter. Zenit KM:15097ex. from 2001 to 2003.Full plastic body, Copal EM-578MM shutter made by KMZ, motorized 2 images/s, run by microprocessor + factory settings in a non volatile memory.