| 
      *As defined by the World Bank Classification System based on 2010 GNI per capita
    with LIC making $1,005 or less and MIC making $1,006 - $12,275
        | Country | LIC/MIC* | Number of Surveys (N=590) | Percent of Data |  
        | Indonesia | MIC | 4 | 0.68% |  
        | Malawi | LIC | 4 | 0.68% |  
        | Pakistan | LIC | 5 | 0.85% |  
        | Sao    Tome and Principe | LIC | 5 | 0.85% |  
        | China | MIC | 8 | 1.36% |  
        | Democratic    Republic of the Congo | LIC | 10 | 1.69% |  
        | Sierra    Leone | LIC | 11 | 1.86% |  
        | Ethiopia | LIC | 13 | 2.20% |  
        | Viet    Nam | LIC | 18 | 3.05% |  
        | Ghana | LIC | 21 | 3.56% |  
        | Liberia | LIC | 22 | 3.73% |  
        | Niger | LIC | 23 | 3.90% |  
        | Papua    New Guinea | LIC | 24 | 4.07% |  
        | India | LIC | 25 | 4.24% |  
        | Afghanistan | LIC | 26 | 4.41% |  
        | Sri    Lanka | MIC | 38 | 6.44% |  
        | Uganda | LIC | 47 | 7.97% |  
        | United    Republic of Tanzania | LIC | 49 | 8.31% |  
        | Kenya | LIC | 52 | 8.81% |  
        | Nigeria | LIC | 54 | 9.15% |  
        | Mongolia | LIC | 56 | 9.49% |  
        | Gambia | LIC | 75 | 12.71% |  |