New Zealand Natural gas - proved reserves

Natural gas - proved reserves: 33.36 billion cu m (1 January 2005 est.)

Year	Natural gas - proved reserves	Rank	Percent Change	Date of Information
2003	58,940,000,000	60		January 2002 est.
2004	58,940,000,000	60	0.00 %	1 January 2002
2005	58,940,000,000	60	0.00 %	1 January 2002
2006	37,380,000,000	67	-36.58 %	1 January 2002
2007	33,360,000,000	71	-10.75 %	1 January 2005 est.

Definition: This entry is the stock of proved reserves of natural gas in cubic meters (cu m). Proved reserves are those quantities of natural gas, which, by analysis of geological and engineering data, can be estimated with a high degree of confidence to be commercially recoverable from a given date forward, from known reservoirs and under current economic conditions.

Source: CIA World Factbook - Unless otherwise noted, information in this page is accurate as of April 17, 2007