I only have the final 3 years of Vega production but here it is for anyone interested.
1975
1HV77 - Vega Hatchback..............112,912
1HV15 - Vega Kammback...............47,474
1HV11 - Vega Notchback Coupe........33,878
1HV15 - Vega Estate Kammback.........8,659
1HV77 - Cosworth Vega...................2,061
1HV05 - Vega Panel Express..............1,525
1HV11 - Vega 'LX' Notchback Coupe......1,255
TOTAL - 1975 Vega......................207,764
1976
1HV77 - Vega Hatchback.................77,409
1HV15 - Vega Kammback.................46,114
1HV11 - Vega Notchback..................27,619
1HV15 - Vega Estate Kammback...........7,935
1HV77 - Cosworth Vega.....................1,446
TOTAL - 1976 Vega.......................160,523
1977
1HV77 - Vega Hatchback..................37,395
1HV15 - Vega Kammback..................25,181
1HV11 - Vega Notchback..................12.365
1HV15 - Vega Estate Kammback...........3,461
TOTAL 1977 Vega..........................78,402