Mies Answer this question based on the table below.
Airline Traffic Volume
Source: International Civil Aviation Organization
According to estimates released in March 1977 by the Interational Cl Aviation Organization for Is 135
member states, in 1978 the airlines carried 473 milion passengers for atdal 632.000 milion passenger
kilometers (393,000 million passenger miles) on scheduled services, representing increases of 10 percent
over 1975
Average Number of
Miles Hours Passengers Passenger-
Mies
Year Flown Flown Carried Miles Passengers
Flown per
Flown
(in Millions)
per Aircraft Passenger per He
1976 4.800 129 473 393,000
82
831 372
1975
4670 126 436 356,000
76
817 371
1974 4.580 125 424 340,000
74
802 366
1973 4.660 127 405 323,000
69
798 357
1972 4.480 122 368 288,500
784 357
1971 4390 122 333 253,500
58
771 360
1970 4,355 121 311 237,500
55
762 380
1969
4 170 11.8 293 218,000
52
744 354
1968 3.730 11.0 262 192,500
52
736 339
1967
3.290 102 233 169,500
52
727 320
1966 2.790 9.3 200 142.000
51
711 301
* Per 100,000 aircraft hours. "Excluding U. S.S. R. and China.
What was the percentage increase in average miles flown per hour over the years listed?
19
24
28
40