Angola
2.1% (2007 est.)

Anguilla
NA

Antigua and Barbuda
NA

Argentina
0.5% (2007 est.)

Armenia
0.1% (2007 est.)

Aruba
NA

Australia
0.2% (2007 est.)

Austria
0.2% (2007 est.)

Azerbaijan
less than 0.2% (2007 est.)

Bahamas, The
3% (2007 est.)