For passenger cars the share was higher (99%). For goods vehicles the share was lower, namely 41%, due to vehicle kilometres made by heavy goods vehicles, because these performed only 15% of all vehicle kilometres in Slovenia.
Pri osebnih avtomobilih je bil ta delež višji (99 %), pri tovornih vozilih pa nižji (41 %), in sicer zaradi števila opravljenih voznih kilometrov težkih tovornih vozil, saj so ta opravila po Sloveniji le 15 % vseh voznih kilometrov.