Table 1.
City | Pioneering | Consolidated | Recent | Total | % |
---|---|---|---|---|---|
Piedras Negras | 3 | 4 | 1 | 8 | 10.2 |
Nogales | 1 | 2 | 2 | 5 | 6.4 |
Matamoros | 3 | 0 | 3 | 6 | 7.7 |
Ciudad Juárez | 5 | 4 | 13 | 22 | 28.2 |
Tijuana | 11 | 12 | 14 | 37 | 47.4 |
Total | 23 | 22 | 33 | 78 | 100 |
% | 29.5 | 28.2 | 42.3 | 100 |
Source: Compiled by the authors based on the information collected and according to the proposal put forward by Albicker and Velasco (10).