The information I have is
Ju88C final production of 1 in January 1944.
Ju88R2 final production 3 in April 1944, 1 more in June.
Ju88G first production of 1 in September 1943, 18 in the final quarter of 1943, 85 in the first quarter of 1944, then 169 in April and production of over 200 a month until December