YEAR( ) | ACTUAL POPULATION( ) | ESTIMATED POPULATION( ) | ERROR( ) |
1969 (t = 0) | 10,942,705 | 10,942,705 | 0 |
1979 (t = 10) | 15,327,061 | 15,444,677 | -117,616 |
1989 (t = 20) | 21,443,636 | 21448,774 | -5138 |
1999 (t = 30) | 28,686,607 | 29,162,417 | -475810 |
2009 (t = 40) | 38,610,097 | 38,610,096 | 1 |