|
(2) 原油可採年数（Ｒ/Ｐ）の推移
|
（単位：10億バレル） |
| 年 |
年末埋蔵量（R） |
年間生産量（P） |
R/P（年） |
| 1973 |
635.0 |
21.1 |
30.1 |
| 1974 |
720.4 |
21.2 |
34.0 |
| 1975 |
666.1 |
20.1 |
33.1 |
| 1976 |
652.0 |
21.7 |
30.0 |
| 1977 |
653.7 |
22.9 |
28.5 |
| 1978 |
649.0 |
23.0 |
28.2 |
| 1979 |
649.2 |
24.0 |
27.1 |
| 1980 |
654.9 |
22.8 |
28.7 |
| 1981 |
678.2 |
21.6 |
31.4 |
| 1982 |
677.4 |
20.5 |
33.0 |
| 1983 |
677.7 |
20.3 |
33.4 |
| 1984 |
707.2 |
20.8 |
34.0 |
| 1985 |
707.6 |
20.6 |
34.4 |
| 1986 |
703.1 |
22.0 |
32.0 |
| 1987 |
896.5 |
21.7 |
41.3 |
| 1988 |
916.6 |
22.7 |
40.4 |
| 1989 |
1011.8 |
23.2 |
43.6 |
| 1990 |
1009.2 |
23.7 |
42.6 |
| 1991 |
1000.9 |
23.1 |
43.4 |
| 1992 |
1006.8 |
23.4 |
43.1 |
| 1993 |
1009.0 |
23.4 |
43.1 |
| 1994 |
1009.3 |
23.5 |
43.0 |
| 1995 |
1016.9 |
23.8 |
42.8 |
| 1996 |
1036.9 |
24.6 |
42.2 |
| 1997 |
1037.6 |
25.4 |
40.9 |
| 1998 |
1052.9 |
25.7 |
41.0 |
| 1999 |
1034.0 |
25.2 |
41.0 |
| 2000 |
1046.4 |
26.2 |
39.9 |
| 2001 |
1050.0 |
26.3 |
39.9 |
| 2002 |
1047.7 |
25.8 |
40.6 |
| 出所）BP統計 |
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