Observations
1956: 20.50 | Millions of Miles, Not Seasonally Adjusted | Annual
Updated: Aug 16, 2012 11:32 AM CDT
Observations
1956:
20.50
Updated:
Aug 16, 2012
11:32 AM CDT
1956: | 20.50 | |
1955: | 16.60 | |
1954: | 13.80 | |
1953: | 12.20 | |
1952: | 10.90 |
Units:
Millions of Miles,
Not Seasonally Adjusted
Frequency:
Annual
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