Year	billion cubic meters
2006	2.184
2007	2.184
2008	2.184
2009	2.184
2010	2.184
2011	2.184
2012	2.184
2013	2.184
2014	2.184
2015	2.184
2016	2.184
2017	2.184
2018	2.184
2019	2.184
2020	2.184