b'Jubilee benefits 2020 2019(x US$1) Staatsolie SPCS GOw2 Total Staatsolie SPCS GOw2 TotalDefined benefit obligation as at January 1 (9,928,004) (168,141) (74,186) (10,170,331) (8,918,765) (145,531) (101,786) (9,166,082)AdjustmentofDefinedbenefitobligation- - - - - - - - Interest cost (250,793) (5,329) (7,519) (263,641) (322,373) (5,743) (6,067) (334,183)Current service cost (827,733) (18,143) (11,216) (857,092) (728,660) (15,625) (8,969) (753,254)Pastservicecost- -(50,297) (50,297) - - - -Net benefit expense (recognized in P&L) (1,078,526) (23,472) (69,032) (1,171,030) (1,051,033) (21,368) (15,036) (1,087,437)Benefitspaid 1,385,369 3,217-1,388,586 866,758 24,316 45,856 936,930Currency translation - -(18,243) (18,243)Experience different than assumed (577,106) (23,605) (7,930) (608,641) (68,134) (5,356) 16,026 (57,464)Changes in assumptions (329,329) (12,400) (21,066) (362,795) (756,830) (20,202) (1,003) (778,035)Sub total included in the P&L (906,435) (36,005) (28,996) (971,436) (824,964) (25,558) (3,220) (853,742)Defined benefit obligation as at December 31(10,527,596)(224,401)(172,214)(10,924,211)(9,928,004)(168,141)(74,186)(10,170,331)2020 2019(x US$1) Staatsolie SPCS GOw2 Total Staatsolie SPCS GOw2 TotalDefined benefit obligation as at January 1 (3,094,605) (76,160)-(3,170,765) (2,796,044) (53,159) - (2,849,203)Interest cost (44,357) (1,228)-(45,585) (62,454) (1,701) - (64,155)Current service cost (1,446,040) (18,429) (30,678) (1,495,147) (1,242,842) (25,832) - (1,268,674)Net benefit expense (recognized in P&L) (1,490,397) (19,657) (30,678) (1,540,732) (1,305,296) (27,533) - (1,332,829)Benefitspaid 1,793,272 48,725-1,841,997 1,637,572- -1,637,572Experience different than assumed (294,068) (66,967) (1,809) (362,844) (590,017) 4,239 - (585,778)Changes in assumptions (51,236) (2,772) (990) (54,998) (40,820) 293 - (40,527)Sub total included in the P&L (345,304) (69,739) (2,799) (417,842) (630,837) 4,532 - (626,305)Defined benefit obligation as at December 31(3,137,034)(116,831)(33,477)(3,287,342)(3,094,605)(76,160) -(3,170,765)127'