"country" "year" "y" "x1"
 "F" 1990 1342787840 -0.567574858665466
 "B" 1990 -5934699520 -0.0818499773740768
 "E" 1990 1342787840 0.452867150306702
 "D" 1990 1883025152 -0.313912689685822
 "G" 1990 1342787840 0.944881737232208
 "C" 1990 -1292379264 1.31256067752838
 "A" 1990 1342787840 0.277903646230698
 "C" 1991 -3415966464 1.17748355865479
 "G" 1991 -1518985728 1.09872829914093
 "E" 1991 2296009472 0.419040322303772
 "A" 1991 -1899660544 0.3206847012043
 "F" 1991 3560401920 0.159745782613754
 "D" 1991 6037768704 0.360091000795364
 "B" 1991 -711623744 0.106160014867783
 "A" 1992 -11234363 0.36346572637558
 "D" 1992 10244189 0.0518877021968365
 "E" 1992 1737627776 0.38521346449852
 "C" 1992 -355804672 1.25640797615051
 "F" 1992 3192281088 0.887066423892975
 "B" 1992 -1933116160 0.353785187005997
 "G" 1992 1912769920 1.2525749206543
 "D" 1993 5067265024 0.209443539381027
 "A" 1993 2645775360 0.246144041419029
 "E" 1993 113973136 -0.244287729263306
 "F" 1993 8941232128 0.532417953014374
 "C" 1993 1225180032 1.42154455184937
 "B" 1993 3072741632 0.726776957511902
 "G" 1993 1345690240 0.762764513492584
 "D" 1994 3882478336 0.382070004940033
 "B" 1994 3768078848 0.719394862651825
 "G" 1994 2793515008 1.20645558834076
 "A" 1994 3008334848 0.424623042345047
 "C" 1994 3802287616 1.11419308185577
 "F" 1994 8124504576 0.872600138187408
 "E" 1994 260098048 1.39113998413086
 "D" 1995 8827006976 0.242085799574852
 "A" 1995 3229574144 0.477214127779007
 "C" 1995 1959696640 1.15948390960693
 "G" 1995 1323696384 1.08718645572662
 "B" 1995 2837581312 0.671546578407288
 "E" 1995 -7863482880 0.319685578346252
 "F" 1995 491740096 0.919352293014526
 "F" 1996 3497164544 1.39689230918884
 "E" 1996 3520491520 0.610976815223694
 "B" 1996 577199360 0.81985729932785
 "C" 1996 530576672 1.16045427322388
 "A" 1996 2756754176 0.499805003404617
 "D" 1996 5782000128 0.486366778612137
 "G" 1996 254524176 0.781075477600098
 "A" 1997 2771810560 0.0516283884644508
 "D" 1997 5090524160 0.359425991773605
 "F" 1997 4764803072 0.986886084079742
 "B" 1997 1786851584 0.880167186260223
 "G" 1997 3297033216 1.25787949562073
 "E" 1997 5234565120 0.717614948749542
 "C" 1997 3128852224 1.44641160964966
 "G" 1998 3011820800 1.24277663230896
 "A" 1998 3397338880 0.366410791873932
 "D" 1998 1850565248 0.232203513383865
 "F" 1998 -4671723520 0.788309097290039
 "B" 1998 -149072048 0.704516112804413
 "E" 1998 344746176 0.696138262748718
 "C" 1998 3201045760 1.15162670612335
 "F" 1999 6349319168 0.279386967420578
 "C" 1999 4663067648 1.19054412841797
 "E" 1999 243920688 0.606620669364929
 "D" 1999 -2025476864 -0.0799889639019966
 "B" 1999 -1174480128 0.23696731030941
 "G" 1999 3296283392 1.23420023918152
 "A" 1999 39770336 0.395842522382736