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Historical Values
Year Value
2008 139 cu km (2000)
2009 139 cu km (2000)
2010 139 cu km (2000)
2011 139 cu km (2000)
2012 139 cu km (2000)
2013 139 cu km (2011)
2014 139 cu km (2011)
2015 139 cu km (2011)
2021 172.2 billion cubic meters (2017 est.)
2022 172.2 billion cubic meters (2017 est.)
2023 172.2 billion cubic meters (2020 est.)
2024 172.2 billion cubic meters (2020 est.)
2025 172.2 billion cubic meters (2022 est.)