b'Jubilee benefits 2019 2018(x US$1) Staatsolie SPCS GOw2 Total Staatsolie SPCS GOw2 TotalDefined benefit obligation as at January 1 (8,918,765) (145,531) (101,786) (9,166,082) (6,601,978) (103,300) (93,227) (6,798,505)AdjustmentofDefinedbenefitobligation- - - -(3,035,763) (54,952) -(3,090,715)Interest cost (322,373) (5,743) (6,067) (334,183) (284,190) (6,294) (11,511) (301,995)Currentservicecost (728,660) (15,625) (8,969) (753,254) (770,739) (19,202) (8,821) (798,762)Net benefit expense (recognized in P&L) (1,051,033) (21,368) (15,036) (1,087,437) (4,090,692) (80,448) (20,332) (4,191,472)Benefitspaid 866,758 24,316 45,856 936,930 911,474 35,693-947,167Currency translation (18,243) (18,243) 1,141 1,141Experience different than assumed (68,134) (5,356) 16,026 (57,464) 405,625 5,515 (4,410) 406,730Changes in assumptions (756,830) (20,202) (1,003) (778,035) 456,806 (2,991) 15,042 468,857Sub total included in the P&L (824,964) (25,558) (3,220) (853,742) 862,431 2,524 11,773 876,728Defined benefit obligation as at December 31(9,928,004)(168,141)(74,186)(10,170,331)(8,918,765)(145,531)(101,786)(9,166,082)2019 2018(x US$1) Staatsolie SPCS Total Staatsolie SPCS TotalDefined benefit obligation as at January 1 (2,796,044) (53,159) (2,849,203) (2,838,695) (30,102) (2,868,797)Interest cost (62,454) (1,701) (64,155) (94,974) (1,294) (96,268)Currentservicecost (1,242,842) (25,832) (1,268,674) (1,270,568) (20,953) (1,291,521)Net benefit expense (recognized in P&L) (1,305,296) (27,533) (1,332,829) (1,365,542) (22,247) (1,387,789)Benefitspaid 1,637,572-1,637,572 1,622,285 2,574 1,624,859Experience different than assumed (590,017) 4,239 (585,778) (168,907) (1,916) (170,823)Changes in assumptions (40,820) 293 (40,527) (45,185) (1,468) (46,653)Sub total included in the P&L (630,837) 4,532 (626,305) (214,092) (3,384) (217,476)Defined benefit obligation as at December 31(3,094,605)(76,160)(3,170,765)(2,796,044)(53,159)(2,849,203)109'