Difference between revisions of "15. What happened to global airtransportation from 1950 to 1998?"
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<tr><th>1974</th><td align=right>656</td><td align=right>19.0</td><th>1986</th><td align=right>1,452</td><td align=right>43.2</td><th>1998</th><td align=right>2,621</td><td align=right>99.0</td></tr> | <tr><th>1974</th><td align=right>656</td><td align=right>19.0</td><th>1986</th><td align=right>1,452</td><td align=right>43.2</td><th>1998</th><td align=right>2,621</td><td align=right>99.0</td></tr> | ||
</table | </table> | ||
People = Billion passenger kilometers . . . Freight = Billion ton kilometers | People = Billion passenger kilometers . . . Freight = Billion ton kilometers | ||
<br> | <br> | ||
<i>Source: Vital Signs 1999, Worldwatch Institute</i> | <i>Source: Vital Signs 1999, Worldwatch Institute</i> | ||
Revision as of 16:46, 26 March 2005
From 1950 to 1998, more and more people use airplane to travel around the world which can decrease the time spending on a certain journey, and the figures in the below table give a detailed description.
| Year | People | Freight | Year | People | Freight | Year | People | Freight |
|---|---|---|---|---|---|---|---|---|
| 1950 | 28 | 0.7 | 1975 | 697 | 19.4 | 1987 | 1,589 | 48.3 |
| 1955 | 61 | 1.2 | 1976 | 764 | 21.5 | 1988 | 1,705 | 53.3 |
| 1960 | 109 | 2.0 | 1977 | 818 | 23.6 | 1989 | 1,774 | 57.1 |
| 1966 | 229 | 5.7 | 1978 | 936 | 25.9 | 1990 | 1,894 | 58.8 |
| 1967 | 273 | 6.5 | 1979 | 1,060 | 28.0 | 1991 | 1,845 | 58.6 |
| 1968 | 309 | 8.2 | 1980 | 1,089 | 29.4 | 1992 | 1,929 | 62.6 |
| 1969 | 351 | 9.8 | 1981 | 1,119 | 30.9 | 1993 | 1,949 | 68.4 |
| 1970 | 460 | 12.0 | 1982 | 1,142 | 31.5 | 1994 | 2,100 | 77.2 |
| 1971 | 494 | 13.2 | 1983 | 1,190 | 35.1 | 1995 | 2,248 | 83.1 |
| 1972 | 560 | 15.0 | 1984 | 1,278 | 39.7 | 1996 | 2,426 | 89.2 |
| 1973 | 618 | 17.5 | 1985 | 1,367 | 39.8 | 1997 | 2,570 | 99.8 |
| 1974 | 656 | 19.0 | 1986 | 1,452 | 43.2 | 1998 | 2,621 | 99.0 |
People = Billion passenger kilometers . . . Freight = Billion ton kilometers
Source: Vital Signs 1999, Worldwatch Institute