▁meteor ite . ▁ ▁Here ▁are ▁the ▁numbers ▁and ▁percent ages ▁of ▁each ▁type , ▁based ▁on ▁literature ▁data . ▁ ▁Statistics ▁by ▁major ▁category ▁ ▁The ▁traditional ▁way ▁of ▁sub d ivid ing ▁meteor ites ▁( see ▁Meteor ites ▁classification ) ▁is ▁into ▁ir ons , ▁st ony - ir ons , ▁and ▁two ▁major ▁groups ▁of ▁st ony ▁meteor ites , ▁ch ond rit es ▁and ▁ach ond rit es . ▁For ▁some ▁of ▁the ▁less - stud ied ▁st ony ▁meteor ite ▁falls , ▁it ▁is ▁not ▁known ▁whether ▁the ▁object ▁is ▁ch ond rit ic ; ▁thus ▁the ▁number ▁of ▁meteor ites ▁that ▁can ▁be ▁so ▁grouped ▁is ▁ 4 % ▁lower ▁than ▁shown ▁above . ▁ ▁These ▁numbers ▁are ▁shown ▁in ▁the ▁next ▁table . ▁ ▁One ▁could ▁make ▁a ▁slight ▁correction ▁for ▁the ▁under count ing ▁of ▁st ony ▁meteor ites ▁( e . g ., ▁the ▁percentage ▁of ▁ir ons ▁would ▁decrease ▁by ▁a ▁ 0 . 2 % ), ▁but ▁this ▁was ▁not ▁done . ▁ ▁Statistics ▁by ▁meteor ite ▁group ▁ ▁Probably ▁the ▁most ▁useful ▁statistical ▁break down ▁of ▁meteor ite ▁falls ▁is ▁by ▁group , ▁which ▁is ▁the ▁fundamental ▁way ▁that ▁meteor ites ▁are ▁class ified . ▁ ▁About ▁ 5 % ▁of ▁the ▁meteor ites ▁in ▁the ▁table ▁just ▁above ▁have ▁not ▁been ▁sufficiently ▁class ified ▁to ▁allow ▁them ▁to ▁be ▁put ▁into ▁such ▁groups . ▁ ▁Again , ▁a ▁small ▁adjust ment ▁could ▁be ▁made ▁to ▁the ▁percent ages ▁to ▁correct