| 
      aPercent infection in brackets; bnot available
        | District | Number of |  
        | Farms    surveyed | Farms    infected | Trees    inspected | Trees infecteda | Year of 1st observationb |  
        | Wassa Amenfi East (Ae) | 15 | 10 | 3,000 | 92 (3.1) | 2008 |  
        | Wassa Amenfi West (Amw) | 25 | 7 | 5,000 | 24 (0.5) | 2006 |  
        | Wass Amenfi Central (Amc) | 8 | 6 | 1,600 | 15 (0.9) | 2011 |  
        | Aowin (Aow) | 6 | 0 | 1,200 | 0  (0.0) | NA |  
        | Juaboso (Jua) | 10 | 6 | 2,000 | 98 (4.9) | 2010 |  
        | Mpohor/Wassa East (Mpe) | 13 | 0 | 2,600 | 0  (0.0) | NA |  
        | Bia (Bia) | 9 | 3 | 1,800 | 15 (0.8) | 2011 |  
        | Sefwi Wiawso (Sew) | 14 | 11 | 2,800 | 115 (4.1) | 2006 |  
        | Akontombra(Ako) | 5 | 0 | 1,000 | 0  (0.0) | NA |  
        | Tarkwa/Prestea/Huni Valley (Tph) | 11 | 0 | 2,200 | 0  (0.0) | NA |  
        | S. Bekwai/Bibiani/Anwiaso (Sba) | 12 | 3 | 2400 | 34 (4.3) | 2011 |  
        | Total | 128 | 46 | 25,600 | 393 |  |  |