"Figure 3: Estimates of discovered oil reserves, 1995 to 2012","" "United Kingdom","" "","" "Notes","1. Total discovered reserves are the sum of proven, probable and possible reserves" "Unit","Million tonnes" "","" "Year","Proven","Probable","Possible","Total discovered reserves" "1995","605","765","520","1890" "1996","665","690","670","2025" "1997","690","700","625","2015" "1998","685","575","540","1800" "1999","665","455","545","1665" "2000","630","380","480","1490" "2001","605","350","475","1430" "2002","595","325","425","1345" "2003","571","286","410","1267" "2004","533","283","512","1328" "2005","516","300","451","1267" "2006","479","298","478","1254" "2007","452","328","399","1179" "2008","408","361","360","1130" "2009","378","390","343","1112" "2010","374","377","342","1093" "2011","413","374","319","1106" "2012","405","405","253","1064"