i | YEAR ( ) | POPULATION TOTAL ( ) |
0 | 1969 | 10,942,705 |
1 | 1979 | 15,327,061 |
2 | 1989 | 21,448,774 |
3 | 1999 | 28,686,607 |
4 | 2009 | 38,610,097 |