Quarter	US dollars
1999-09-30	14505
1999-12-31	13856
2000-03-31	14409
2000-06-30	15214
2000-09-30	15939
2000-12-31	19353
2001-03-31	17547
2001-06-30	21299
2001-09-30	22139
2001-12-31	22000
2002-03-31	25151
2002-06-30	26971
2002-09-30	29575
2002-12-31	34896
2003-03-31	37855
2003-06-30	34076
2003-09-30	31239
2003-12-31	30473
2004-03-31	31524
2004-06-30	25858
2004-09-30	28777