| 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | |
|---|---|---|---|---|---|---|---|---|
| All shipments | a | a | a | a | a | a | a | a |
| Domestic shipments | a | a | a | a | a | a | a | a |
| Transborder shipments | a | b | a | a | b | a | b | b |
| Local shipments | b | b | b | a | b | b | b | b |
| Long distance shipments | a | a | a | a | a | a | a | a |
The data accuracy measures are for the "weight"variable.
"a"is excellent; CV from 0.01% to 4.99%
"b"is very good; CV from 5.00% to 9.99%
"c"is good; CV from 10.00% to 14.99%
"d"is acceptable; CV from 15.00% to 24.99%
"e"is use with caution; CV from 25.00% to 49.99%
"f"is unreliable; CV is 50.00% or higher
| 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | |
|---|---|---|---|---|---|---|---|---|
| Unweighted response rate | 93% | 92% | 92% | 92% | 95% | 93% | 93% | 93% |