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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
View History:
Monthly
Annual
Rocky Mountain (PADD 4) Propane/Propylene Field Production (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
16
15
16
15
13
12
13
13
14
17
17
16
1982
16
16
16
17
16
16
15
15
16
18
19
19
1983
20
19
16
17
17
17
16
14
15
21
24
21
1984
35
37
34
35
33
34
37
34
38
38
38
37
1985
40
41
38
35
34
32
33
32
36
37
38
38
1986
41
39
38
41
38
33
31
30
32
35
37
38
1987
39
38
36
35
33
32
32
34
36
37
39
43
1988
44
46
45
44
42
42
41
40
42
46
44
44
1989
45
44
44
42
41
34
40
40
41
43
44
45
1990
46
47
45
43
41
40
39
41
41
42
44
43
1991
48
45
45
43
42
41
43
42
39
41
41
40
1992
41
43
41
43
43
43
42
38
41
41
44
44
1993
45
44
45
44
41
39
42
42
43
43
43
42
1994
41
40
42
42
42
42
41
42
43
44
45
46
1995
49
44
47
48
46
44
45
44
46
53
52
53
1996
51
53
52
51
47
46
44
45
46
47
50
50
1997
48
51
49
46
46
45
44
44
48
48
47
49
1998
48
49
51
50
49
46
45
45
46
47
47
44
1999
46
45
45
48
48
52
52
52
53
54
55
57
2000
56
57
60
60
57
58
59
61
62
65
63
61
2001
60
63
64
63
60
59
58
59
60
59
62
60
2002
62
64
62
62
61
59
58
61
62
64
61
62
2003
63
66
62
58
56
55
56
57
59
61
59
61
2004
60
59
60
60
59
60
60
61
62
60
60
60
2005
59
60
61
57
57
54
54
58
56
57
57
49
2006
56
56
58
55
56
55
56
54
55
55
56
55
2007
54
55
59
58
58
58
56
57
61
59
66
59
2008
61
63
67
70
78
Updated on 7/23/2008
Source: U.S. Energy Information Administration
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