Table 2.
Year | Estimated population# | Birth cohort | Vaccination coverage* | Vaccine efficacy** | Children susceptible | Cumulated susceptible population |
1988 | 2,076,264 | 44,432 | 103.19% | 85% | 5,459 | 5,459 |
1989 | 2,091,648 | 46,853 | 105.50% | 85% | 4,837 | 10,296 |
1990 | 2,107,146 | 44,461 | 101.67% | 85% | 6,038 | 16,334 |
1991 | 2,122,759 | 44,153 | 100.65% | 85% | 6,378 | 22,712 |
1992 | 2,138,488 | 44,267 | 104.57% | 85% | 4,921 | 27,633 |
1993 | 2,154,333 | 42,009 | 102.70% | 85% | 5,337 | 32,970 |
1994 | 2,170,295 | 41,670 | 102.51% | 85% | 5,362 | 38,332 |
1995 | 2,186,376 | 44,383 | 104.92% | 85% | 4,803 | 43,135 |
1996 | 2,202,576 | 42,289 | 101.57% | 85% | 5,779 | 48,913 |
1997 | 2,218,896 | 42,603 | 100.74% | 85% | 6,124 | 55,037 |
1998 | 2,235,337 | 42,918 | 99.28% | 85% | 6,700 | 61,737 |
1999 | 2,251,900 | 43,462 | 101.25% | 85% | 6,058 | 67,795 |
2000 | 2,268,586 | 43,784 | 101.13% | 85% | 6,148 | 73,944 |
2001 | 2,285,395 | 44,108 | 105.18% | 85% | 4,674 | 78,617 |
2002 | 2,302,329 | 44,435 | 102.56% | 85% | 5,697 | 84,314 |
2003 | 2,319,388 | 44,764 | 101.46% | 85% | 6,159 | 90,473 |
2004 | 2,336,574 | 45,096 | 99.57% | 85% | 6,928 | 97,401 |
#Census data 2001. Population growth rate of 11.19%
*Vaccination coverage using administrative method
**Vaccination between nine and 12 month of age.