Proved Reserves of Natural Gas in Swaziland

Proved reserves of natural gas reached in 0 in Swaziland, according to EIA. This is ERROR: Undefined index: SZ0% more than in the previous year.

Historically, proved reserves of natural gas in Swaziland reached an all time high of ERROR: Undefined index: SZERROR: asort() expects parameter 1 to be array, null givenERROR: end() expects parameter 1 to be array, null given in ERROR: Undefined index: SZERROR: asort() expects parameter 1 to be array, null givenERROR: array_keys() expects parameter 1 to be array, null givenERROR: end() expects parameter 1 to be array, null given and an all time low of ERROR: Undefined index: SZERROR: asort() expects parameter 1 to be array, null givenERROR: reset() expects parameter 1 to be array, null given in ERROR: Undefined index: SZERROR: asort() expects parameter 1 to be array, null givenERROR: array_keys() expects parameter 1 to be array, null givenERROR: reset() expects parameter 1 to be array, null given.