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Contribution (number and percentage) of the GB types α-α, γ-γ and α-γ.
| Layer | Interface type |
|||
|---|---|---|---|---|
| Overall number of interfaces | α-α | γ-γ | α-γ | |
| L1 | 761,572 (100%) | 325,075 (42.7%) | 192,417 (25.3%) | 244,080 (32%) |
| L2 | 760,132 (100%) | 226,350 (29.8%) | 237,208 (31.2%) | 296,574 (39%) |
| L3 | 795,199 (100%) | 275,762 (34.7%) | 250,620 (31.5%) | 268,817 (33.8%) |
