Table 9 Average of streetscape greenness indices by lane types (unit: %)

Lane type	Street greenness index (A)	Street-trees greenness index (B)	Non street-trees greenness index (A)−(B)
1 lanes	36.44	4.67	31.77
2 lanes	26.01	7.84	18.18
3 lanes	16.72	5.99	10.73
4 lanes	16.17	7.27	8.90
5 lanes	16.09	3.71	12.38
6 lanes	15.55	6.87	8.67
Total	26.69	6.57	20.12