"Figure 1: Estimates of discovered and undiscovered oil reserves, 1995 to 2016","" "UK","" "","" "Notes","1. All data refer to end of year. 2. Components may not sum to totals due to rounding. 3. Discovered reserves are the sum of proven plus probable reserves. 4. Maximum reserves for 2015 and 2016 include central estimates for contingent resources." "Unit","Oil (million tonnes)" "","" "","Discovered reserves","Maximum reserves","Lower range of total reserves and resources","Upper range of total reserves and resources" "1995","1370","1890","2880","6375" "1996","1355","2025","2310","4725" "1997","1390","2015","2300","4695" "1998","1260","1800","2075","4350" "1999","1120","1665","1915","4265" "2000","1010","1490","1715","3790" "2001","955","1430","1635","3360" "2002","920","1345","1617","3115" "2003","857","1267","1590","3093" "2004","816","1328","1724","3158" "2005","816","1267","1663","2848" "2006","777","1255","1693","2892" "2007","780","1179","1558","2756" "2008","769","1129","1583","2690" "2009","768","1111","1508","2588" "2010","751","1093","1568","2467" "2011","788","1106","1528","2427" "2012","811","1064","1519","2406" "2013","746","1084","1257","1840" "2014","716","1060","1216","1816" "2015","566","943","1099","1699" "2016","515","903","1059","1658"