You can review natural gas production, consumption, import and export trends at the Energy Export Databrowser.

You'll have to forgive the fact that the map incorrectly identifies any FSU nations as the entire FSU (older mapping software) but you can still get interesting charts like the one below for Turkmenistan:

If you want to do your own analysis you can also visit the data page which has an archive of BP Statistical Review Excel workbooks and ASCII CSV versions of the oil and gas data from the 2008 workbook.

Have fun with the data!

-- Jon

Thanks!