Table 3 Primary branches division (in parentheses, the codes found in the sample of 1339 services)
Level 0 | Branch I | Branch A | Branch S | Branch O | Branch D | Branch R | Total |
Level 1 | 2 (2) | 5 (4) | 2 (2) | 10 (7) | 9 (6) | 14 (10) | 42 (31) |
Level 3 | 8 (5) | 5 (4) | 10 (4) | 24 (10) | 22 (9) | 20 (10) | 89 (42) |