| OPV Doses |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
| 0 Dose |
15% |
14% |
14% |
9% |
16% |
14% |
4% |
0% |
3% |
1% |
1% |
1% |
| 1 - 3 doses |
47% |
45% |
28% |
31% |
41% |
35% |
11% |
11% |
10% |
3% |
3% |
4% |
| 4 - 7 doses |
32% |
34% |
35% |
41% |
33% |
34% |
41% |
44% |
22% |
12% |
18% |
18% |
| >7 dose |
7% |
8% |
23% |
18% |
11% |
17% |
44% |
45% |
65% |
85% |
78% |
77% |
|
