Average delay per commuter (hours per year)

Average delay per commuter (hours per year)
198219851990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014
Average delay per commuter (hours per year)182126272829303132343536373839404141424242404041414242
Average delay per commuter (hours per year)

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