Tonga vs Nigeria
vs
Tonga vs Nigeria — Gross Savings
| Year | Tonga | Nigeria |
|---|---|---|
| 2025 | - | 23.30% |
| 2024 | - | 23.61% |
| 2023 | 18.65% | 18.87% |
| 2022 | 27.50% | 18.64% |
| 2021 | 26.80% | 18.70% |
| 2020 | 20.79% | 18.39% |
| 2019 | 20.16% | 18.34% |
| 2018 | 18.89% | 15.39% |
| 2017 | 20.68% | 13.67% |
| 2016 | 14.72% | 12.01% |
| 2015 | 9.12% | 8.98% |
| 2014 | 15.58% | 11.48% |
| 2013 | 20.39% | 13.41% |
| 2012 | 23.70% | 13.57% |
| 2011 | 19.58% | 13.81% |
| 2010 | 15.27% | 15.16% |
| 2009 | 13.86% | 15.72% |
| 2008 | 12.64% | 18.27% |
| 2007 | 13.23% | 19.42% |
| 2006 | 15.95% | 23.47% |