Here are some of mine that always have high bud counts in my garden.
EL DESPERADO usually has about 30 buds per scape
LITTLE MYSTIC MOON, a miniature, has around 35-40 buds per scape
STEALTH BOMBER is usually in the high 20s.
KENTUCKY LUCKY had 27-29 buds per scape last season
GRAPE TWIZZLER always has a bud count here of 25 per scape or more