II.Индо-иранская группа                                                    535,9                                                    33,50 4.Индийская группа                                                           486,2                                                    30,39 5.Иранская -"-                                                                      49,7                                                     3,11 III.Альпийская группа                                                         399,9                                                    24,99 6.Романская -"-                                                                   391,2                                                    24,45 7.Кельтская -"-                                                                       8,7                                                      0,54 IV.Балкано-кавказская группа                                               17,2                                                      1,07 8.Греческая -"-                                                                     10,1                                                       0,63 9.Армянская -"-                                                                      4,2                                                       0,26 10.Албанская -"-                                                                     2,9                                                       0,18