| 
      
        | Country | Number of Sites Contacted | Number of Responses | Response Rate |  
        | China | 9 | 9 | 100% |  
        | India | 6 | 4 | 67% |  
        | Indonesia | 16 | 4 | 25% |  
        | Malaysia | 8 | 6 | 75% |  
        | Philippines | 8 | 5 | 63% |  
        | Singapore | 7 | 3 | 43% |  
        | South    Korea | 4 | 4 | 100% |  
        | Sri    Lanka | 2 | 1 | 50% |  
        | Taiwan | 12 | 4 | 33% |  
        | Thailand | 9 | 5 | 56% |  
        | Vietnam | 6 | 4 | 67% |  
        | Total | 87 | 49 | 56% |  |