| Characteristic | Growth over previous year |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
March 2012
Region
Worldwide
Survey time period
2000 to 2011
Supplementary notes
* Figures through 2010 were taken from released by Photon in April 2011.
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