Quarter	US dollars
1986-09-30	105084
1986-12-31	107126
1987-03-31	109157
1987-06-30	118705
1987-09-30	120921
1987-12-31	130617
1988-03-31	126476
1988-06-30	127543
1988-09-30	130046
1988-12-31	137019
1989-03-31	136039
1989-06-30	135965
1989-09-30	143117
1989-12-31	146034
1990-03-31	147354
1990-06-30	152063
1990-09-30	168760
1990-12-31	173263
1991-03-31	158279
1991-06-30	160652
1991-09-30	168078
1991-12-31	170384
1992-03-31	163171
1992-06-30	174871
1992-09-30	175867
1992-12-31	161853
1993-03-31	157927
1993-06-30	154158
1993-09-30	155691
1993-12-31	154721
1994-03-31	161560
1994-06-30	161154
1994-09-30	165996
1994-12-31	169283
1995-03-31	176406
1995-06-30	178640
1995-09-30	184811
1995-12-31	190108
1996-03-31	198319
1996-06-30	202535
1996-09-30	199639
1996-12-31	205600
1997-03-31	205890
1997-06-30	207818
1997-09-30	317625
1997-12-31	336172
1998-03-31	343396
1998-06-30	351202
1998-09-30	353763
1998-12-31	345569