The graph shows the fluctuation in the number of people at a central chidlom underground station in bangkok over the course
of the day. the busiest time of the day is in the morning. There is a sharp increase between 06.00 and 08.00,with 300 people
using the station at 8 o'clock. After this the numbers drop quickly to less than 200 at 10 o'clock. Between 11 am and 3 pm number slightly rises again.