| (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) |
| 1980 |
669.6 |
23.0 |
29.1 |
| 1981 |
683.0 |
21.7 |
31.4 |
| 1982 |
712.1 |
20.9 |
34.1 |
| 1983 |
723.0 |
20.7 |
35.0 |
| 1984 |
763.3 |
21.1 |
36.3 |
| 1985 |
772.0 |
21.0 |
36.8 |
| 1986 |
883.2 |
22.1 |
40.0 |
| 1987 |
913.2 |
22.2 |
41.2 |
| 1988 |
1002.2 |
23.0 |
43.5 |
| 1989 |
1020.2 |
23.4 |
43.7 |
| 1990 |
1015.9 |
23.9 |
42.6 |
| 1991 |
1019.4 |
23.8 |
42.8 |
| 1992 |
1023.0 |
24.0 |
42.7 |
| 1993 |
1023.6 |
24.1 |
42.5 |
| 1994 |
1031.1 |
24.5 |
42.1 |
| 1995 |
1040.5 |
24.8 |
41.9 |
| 1996 |
1063.8 |
25.5 |
41.8 |
| 1997 |
1053.1 |
26.3 |
40.1 |
| 1998 |
1066.3 |
26.8 |
39.8 |
| 1999 |
1083.5 |
26.3 |
41.2 |
| 2000 |
1106.1 |
27.3 |
40.6 |
| 2001 |
1114.3 |
27.2 |
41.0 |
| 2002 |
1146.3 |
27.0 |
42.4 |
| 2003 |
1147.7 |
28.0 |
41.0 |
| 出所)BP統計(2004年) |
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