[□] □
[!□] □
[□=□] □
Phobos reflects only 4 percent of the sunlight that falls on it . A decade ago , private lenders provided only 4 percent of college loan money . [ Footnote 24 ] Such mail constitutes only 4 percent of all Priority Mail volume . In Burkina Faso , where only 4 percent of women use family planning methods , one in 14 will die of maternal causes over the course of her lifetime . Since then ground-based telescopes have been used to determine , among other things , that Mathilde is a C-type asteroid and is one of the darkest objects in the solar system since it reflects only 4 percent of the light falling on it . " The blind are only 4 percent of all disabilities , " Hager said in an interview .