Age		Frequency		Mileage
	Delta	Comment	Delta	Comment	Delta	Comment
Brussels	older	not much	none		less intensive users	people driving more than 25 km per month (38.7 vs. 21)
Copenhagen	much older	Especially the people 20–29 are underrepresented (42.0 vs. 26.3)	none	people using it once per month overrepresented	less intensive users	people driving more than 25 km per month (41.2 vs. 23.2)
Helsinki	older		none	people using it very often and very rarely are underrepresented	less intensive users	people driving more than 25 km per month (38.6 vs. 25.1)
Lisbon	older	people 20–29 and people older than 69 underrepresented	none	people using it very often and very rarely are underrepresented	none
London	older		none	people using it every other week are overrepresented	none
Amsterdam	older	young people are underrepresented and especially people 50–59 highly overrepresented	less frequent users		none	people using it very often and very rarely are underrepresented
Berlin	somewhat older	Especially the people 30–39 are underrepresented (37.0 vs. 26.7) but young people <20 are overrepresented (3.5 vs. 1.4)	none	every other week and once per month slightly overrepresented	none
Hamburg	older	Especially the people 30–39 are underrepresented (35.0 vs. 25.8)	none		none
Madrid	older		none		more intensive users	especially users driving 16–26 km per month (16 vs. 29)
Rome	older	people 20–29 are underrepresented (23.4 vs. 13.4)	none		more intensive users
Vienna	older		none		none