Table 11. Environment type (indoor, mixed, outdoor) frequency by 100% substrate coverage of hard (concrete and stone aggregate) or soft (grass, sand, and rubber padding) surfaces.
Flooring Surface | |||
---|---|---|---|
Environment Type | Hard | Soft | Total |
Indoor | 122 | 80 | 202 |
Mixed | 64 | 62 | 126 |
Outdoor | 61 | 54 | 115 |
Total | 247 | 196 | 443 |