<|im_start|>user
How many percentages of people in London prefer to walk ?

Context:
London has an extensive and developed transport network which includes both private and public services. Journeys made by public transport systems account for 37% of London's journeys while private services accounted for 36% of journeys, walking 24% and cycling 2%. London's public transport network serves as the central hub for the United Kingdom in rail, air and road transport.<|im_end|>
<|im_start|>assistant
Approx. 24% people in London prefer to walk.<|im_end|>
