Quarter	US dollars
1986-09-30	108717
1986-12-31	107448
1987-03-31	108140
1987-06-30	110403
1987-09-30	113583
1987-12-31	120261
1988-03-31	114847
1988-06-30	116029
1988-09-30	117673
1988-12-31	115674
1989-03-31	117596
1989-06-30	117729
1989-09-30	119786
1989-12-31	120331
1990-03-31	121305
1990-06-30	119127
1990-09-30	123729
1990-12-31	126021
1991-03-31	117787
1991-06-30	112512
1991-09-30	114851
1991-12-31	114150
1992-03-31	113923
1992-06-30	124117
1992-09-30	118758
1992-12-31	117092
1993-03-31	109273
1993-06-30	109603
1993-09-30	106734
1993-12-31	115272
1994-03-31	111416
1994-06-30	113456
1994-09-30	121239
1994-12-31	119675
1995-03-31	121000
1995-06-30	115898
1995-09-30	116203
1995-12-31	121389
1996-03-31	124595
1996-06-30	129138
1996-09-30	134851
1996-12-31	139636
1997-03-31	135258
1997-06-30	145379
1997-09-30	156841
1997-12-31	174231
1998-03-31	158722
1998-06-30	169052
1998-09-30	195300
1998-12-31	199987