Year	billion cubic meters
2007	0.0429
2008	0.0429
2009	0.0429
2010	0.0429
2011	0.0429
2012	0.0429
2013	0.0429
2014	0.0429
2015	0.0429
2016	0.0429
2017	0.0429
2018	0.0429
2019	0.0429
2020	0.0429