Quarter	US dollars
1986-09-30	107016
1986-12-31	104802
1987-03-31	107666
1987-06-30	112318
1987-09-30	116059
1987-12-31	120146
1988-03-31	116431
1988-06-30	115750
1988-09-30	116777
1988-12-31	112817
1989-03-31	105697
1989-06-30	112350
1989-09-30	116693
1989-12-31	119135
1990-03-31	118673
1990-06-30	125150
1990-09-30	131350
1990-12-31	130954
1991-03-31	123209
1991-06-30	116336
1991-09-30	118223
1991-12-31	113875
1992-03-31	108300
1992-06-30	119513
1992-09-30	120416
1992-12-31	120716
1993-03-31	115569
1993-06-30	123941
1993-09-30	119821
1993-12-31	115699
1994-03-31	121111
1994-06-30	120498
1994-09-30	125130
1994-12-31	122179
1995-03-31	126054
1995-06-30	131991
1995-09-30	136413
1995-12-31	143614
1996-03-31	145102
1996-06-30	147743
1996-09-30	159083
1996-12-31	162900
1997-03-31	170842
1997-06-30	183369
1997-09-30	180395
1997-12-31	183248
1998-03-31	161152
1998-06-30	158552
1998-09-30	177420
1998-12-31	155180