Fact 29. .eraction of human penis.

• 0–30 degrees — 4.9 percent of men
• 30–60 degrees — 29.6 percent of men
• 60–85 degrees — 30.9 percent of men
• 85–95 degrees — 9.9 percent of men
• 95–120 degrees — 19.8 percent of men
• 120–180 degrees — 4.9 percent of men