Quarter	US dollars
1986-09-30	43332
1986-12-31	49423
1987-03-31	54329
1987-06-30	54567
1987-09-30	52507
1987-12-31	67125
1988-03-31	58567
1988-06-30	55697
1988-09-30	56596
1988-12-31	65965
1989-03-31	63575
1989-06-30	64062
1989-09-30	66893
1989-12-31	81278
1990-03-31	83271
1990-06-30	85825
1990-09-30	91544
1990-12-31	102023
1991-03-31	87927
1991-06-30	77370
1991-09-30	84172
1991-12-31	89583
1992-03-31	77656
1992-06-30	75030
1992-09-30	104897
1992-12-31	91389
1993-03-31	99014
1993-06-30	97428
1993-09-30	96916
1993-12-31	104647
1994-03-31	98137
1994-06-30	100342
1994-09-30	102708
1994-12-31	117299
1995-03-31	124889
1995-06-30	125694
1995-09-30	121287
1995-12-31	132204
1996-03-31	128045
1996-06-30	120519
1996-09-30	122635
1996-12-31	127471
1997-03-31	111729
1997-06-30	105244
1997-09-30	111628
1997-12-31	127192
1998-03-31	126016
1998-06-30	127814
1998-09-30	145058
1998-12-31	139005