Chad:
3% (2000 est.)
Chile:
4.5% (2000 est.)
China:
0.4% (2000 est.)
Christmas Island:
NA%
Cocos (Keeling) Islands:
NA%
Colombia:
9% (2000)
Comoros:
3.5% (1999)
Congo, Democratic Republic of the:
540% (2000 est.)
Congo, Republic of the:
3.5% (2000 est.)
Cook Islands:
1.6% (1999 est.)