| Date | Country | % Correct |
|---|---|---|
| 24 November 2017 — 7 December 2018 | Madagascar | 60%
|
| 23 January 2012 — 11 November 2019 | Ghana | 55%
|
| 23 April 2008. — 22 November 2019 | Nauru | 55%
|
| 22 July 2011 — 24 July 2019 | Central African Republic | 50%
|
| 11 February 2014 — 16 October 2018 | Lesotho | 45%
|
| 6 March 2009 — 17 January 2019 | Palau | 45%
|
| 17 March 2012 — 7 January 2013 | São Tomé and Príncipe | 45%
|
| 11 June 2008. — 3 March 2020 | Sierra Leone | 40%
|
| 8 July 2016 — 27 October 2017 | Suriname | 40%
|
| 11 July 2014 — 17 August 2019 | Togo | 40%
|
| 11 December 2012 — 2 November 2018 | Dominica | 35%
|
| 13 January 2011 — 21 November 2017 | Guinea-Bissau | 35%
|
| 3 October 2012 — 5 July 2018 | Papua New Guinea | 35%
|
| 14 May 2009 — 1 November 2018 | Comoros | 30%
|
| 30 May 2008 — 20 June 2018 | Liberia | 30%
|
| 13 August 2014 — 28 November 2018 | Solomon Islands | 30%
|
| 16 October 2012 — 15 February 2018 | Burundi | 25%
|
| 22 September 2011 — 3 November 2017 | Nigeria | 25%
|
| 25 September 2013 — 4 November 2018 | Grenada | 20%
|
| 4 February 2011 — 27 September 2018 | Oman | 20%
|
| 19 January 2012 — 13 March 2013 | Uganda | 20%
|