How often do you change the oil in your car?

Answer	Number
Every day	12 (2.4%)
Every week	1 (0.2%)
Every month	15 (3%)
Every few months	182 (36.3%)
Just before long trips.	11 (2.2%)
Just when the oil light goes on and buzzes at me.	72 (14.4%)
I don't own a car.	208 (41.5%)

A total of 501 people answered this question.