| Year | Lagos total population (millions) | Percentage (%) of Nigeria's total urban population |
|---|---|---|
| 1990 | 4.7 | 23.5 |
| 2000 | 7.3 | 24.1 |
| 2010 | 10.5 | 24.8 |
| 2020 | 14.3 | 25.4 |
| 2030 (Projected) | 18.6 | 26.1 |
Describe one other method that could be used to present the changing 'Percentage (%) of Nigeria's total urban population' data shown in Table 1a.