| Place | 1996 | 1997 | 1998 | 1999 | 2000 |
| Philippines | 94.33 | 95.09 | 95.73 | 96.95 | 96.77 |
| NCR | 98.54 | 99.93 | 99.14 | 99.08 | 99.99 |
| CAR | 91.26 | 99.52 | 99.62 | 94.09 | 94.42 |
| Region I - Ilocos | 99.54 | 99.98 | 99.14 | 97.52 | 97.73 |
| Region II - Cagayan Valley | 98.60 | 98.73 | 98.63 | 96.53 | 95.65 |
| Region III - Central Luzon | 100.82 | 99.62 | 99.48 | 99.88 | 98.32 |
| Region IV - Southern Tagalog | 100.22 | 99.75 | 99.85 | 99.88 | 98.50 |
| Region V - Bicol | 97.52 | 97.04 | 97.40 | 95.78 | 95.56 |
| Region VI - Western Visayas | 92.45 | 94.08 | 95.48 | 96.48 | 96.16 |
| Region VII - Central Visayas | 93.79 | 95.16 | 95.28 | 99.96 | 99.99 |
| Region VIII - Eastern Visayas | 91.08 | 92.69 | 93.38 | 95.62 | 94.58 |
| Region IX - Western Mindanao | 85.82 | 87.28 | 91.92 | 92.08 | 93.44 |
| Region X - Northern Mindanao | 91.21 | 92.29 | 93.03 | 95.84 | 95.60 |
| Region XI - Southern Mindanao | 88.38 | 88.64 | 86.76 | 92.44 | 93.89 |
| Region XII -Central Mindanao | 80.30 | 80.06 | 92.43 | 93.13 | 97.34 |
| CARAGA | 85.34 | 90.25 | 91.41 | 92.65 | 92.92 |
| ARMM | 81.34 | 81.97 | 82.40 | 93.57 | 91.28 |
| Place | 1996 | 1997 | 1998 | 1999 | 2000 |
| Philippines | 95.27 | 97.94 | 98.36 | 96.80 | 96.37 |
| NCR | 101.34 | 103.11 | 99.98 | 98.36 | 98.36 |
| CAR | 99.19 | 99.81 | 99.88 | 94.41 | 94.41 |
| Region I - Ilocos | 101.45 | 104.33 | 99.98 | 97.93 | 97.93 |
| Region II - Cagayan Valley | 99.49 | 102.15 | 99.95 | 95.97 | 95.97 |
| Region III - Central Luzon | 101.64 | 102.57 | 99.88 | 99.81 | 99.81 |
| Region IV - Southern Tagalog | 99.73 | 104.04 | 99.89 | 99.97 | 99.97 |
| Region V - Bicol | 98.32 | 99.11 | 99.68 | 96.12 | 96.12 |
| Region VI - Western Visayas | 93.42 | 95.07 | 97.78 | 97.93 | 97.93 |
| Region VII - Central Visayas | 90.70 | 99.08 | 99.04 | 99.93 | 99.93 |
| Region VIII - Eastern Visayas | 92.10 | 94.06 | 95.39 | 94.46 | 94.46 |
| Region IX - Western Mindanao | 89.99 | 90.21 | 94.99 | 95.06 | 95.06 |
| Region X - Northern Mindanao | 92.55 | 93.26 | 94.52 | 95.66 | 95.66 |
| Region XI - Southern Mindanao | 79.12 | 90.66 | 92.72 | 91.96 | 91.96 |
| Region XII -Central Mindanao | 101.89 | 87.64 | 90.20 | 91.39 | 91.39 |
| CARAGA | 86.70 | 93.15 | 95.33 | 92.62 | 92.62 |
| ARMM | 79.08 | 82.33 | 83.45 | 85.94 | 85.94 |
| Place | 1996 | 1997 | 1998 | 1999 | 2000 |
| Philippines | 93.36 | 92.08 | 92.97 | 97.11 | 97.17 |
| NCR | 95.59 | 96.58 | 98.25 | 99.85 | 100.91 |
| CAR | 82.89 | 99.22 | 99.35 | 93.75 | 94.58 |
| Region I - Ilocos | 97.54 | 95.33 | 98.25 | 97.08 | 97.01 |
| Region II - Cagayan Valley | 97.66 | 95.12 | 97.25 | 97.12 | 95.74 |
| Region III - Central Luzon | 99.95 | 96.51 | 99.05 | 99.95 | 97.85 |
| Region IV - Southern Tagalog | 100.73 | 95.24 | 99.80 | 99.80 | 99.04 |
| Region V - Bicol | 96.69 | 94.85 | 95.01 | 95.43 | 95.31 |
| Region VI - Western Visayas | 91.45 | 93.04 | 93.08 | 94.96 | 96.03 |
| Region VII - Central Visayas | 97.02 | 91.06 | 91.32 | 99.99 | 99.99 |
| Region VIII - Eastern Visayas | 90.02 | 91.24 | 91.35 | 96.84 | 95.53 |
| Region IX - Western Mindanao | 81.53 | 84.25 | 88.74 | 88.99 | 93.82 |
| Region X - Northern Mindanao | 89.83 | 91.27 | 91.48 | 96.03 | 95.19 |
| Region XI - Southern Mindanao | 97.95 | 86.49 | 80.52 | 92.95 | 94.83 |
| Region XII -Central Mindanao | 57.82 | 72.18 | 94.78 | 94.98 | 98.38 |
| CARAGA | 83.94 | 87.19 | 87.36 | 92.69 | 93.35 |
| ARMM | 83.62 | 81.60 | 81.28 | 101.69 | 96.50 |