| Year | Interstate | Intrastate | Internationalized intrastate |
|---|---|---|---|
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
| - | - | - | - |
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Source
Release date
October 2015
Region
Worldwide
Survey time period
2002 - 2013
Supplementary notes
Data prior to 2004 has been derived from .
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