Overs 12-3 on final day.

Overs: Roughly 1,188
Unders: Roughly 1,242

Total decided games: ~2,430 (82 games per team × 30 teams = 1,230 total games, with each counted twice in team records)
Overall over percentage: ~48.9% (net of pushes; unders around 51.1%)

Top Over Teams (highest over %)
Denver Nuggets: 51-30-0 (63.0% over, +4.3 avg. total +/-)
Utah Jazz: 49-32-0 (60.5% over, +5.8)
Golden State Warriors: 48-33-0 (59.3% over, +1.8)
Washington Wizards: 46-35-0 (56.8% over)
Miami Heat: 45-36-0 (55.6% over)

Top Under Teams (highest under %)
Boston Celtics: 30-51-0 (37.0% over / 63.0% under, -3.2 avg.)
Toronto Raptors & Charlotte Hornets: 31-50-0 each (38.3% over / 61.7% under)
Phoenix Suns: 35-46-0 (43.2% over)
San Antonio Spurs, Dallas Mavericks, etc.: Around 43-44% over.