Key 'smoothness'

External: tag info

• 99407: good
• 33679: intermediate
• 23915: excellent
• 15924: bad
• 4285: very_bad
• 315: horrible
• 113: impassable
• 90: very_horrible
• 6: very_good
• 5: medium
• 4: intermediate​
• 2: very good
• 1: rough