Quarterly Percent Change
1987-04-01 7.69825691388852
1987-07-01 14.29597309089930
1987-10-01 18.76182781490770
1988-01-01 21.06376084448660
1988-04-01 16.50933004521170
1988-07-01 13.40641880259870
1988-10-01 11.14828755404860
1989-01-01 9.42437401415698
1989-04-01 16.90852234606520
1989-07-01 21.55904598953240
1989-10-01 23.57296626744160
1990-01-01 23.80008123312160
1990-04-01 20.45707092167940
1990-07-01 18.00603513919250
1990-10-01 16.12560069948690
1991-01-01 14.63298059004420
1991-04-01 14.56928984623370
1991-07-01 14.29136408311540
1991-10-01 13.88219760952360
1992-01-01 13.39986962727840
1992-04-01 12.11631317107190
1992-07-01 11.07435195848760
1992-10-01 10.21098462712620
1993-01-01 9.48340713843642
1993-04-01 9.64387170836368
1993-07-01 9.69118008171108
1993-10-01 9.65139397215683
1994-01-01 9.54645453325948
1994-04-01 13.11722991781330
1994-07-01 15.48829793753030
1994-10-01 16.78131859679700
1995-01-01 17.25575366080080
1995-04-01 20.15588354401590
1995-07-01 21.30185268938710
1995-10-01 21.29310156361090
1996-01-01 20.63198567427690
1996-04-01 20.11371093622950
1996-07-01 19.25190364008360
1996-10-01 18.24562021903400
1997-01-01 17.20769350158750
1997-04-01 20.33792763994330
1997-07-01 21.60124161883930
1997-10-01 21.62955196245650
1998-01-01 20.96127611337330
1998-04-01 18.51949925636960
1998-07-01 16.63024577255990
1998-10-01 15.12025738522330
1999-01-01 13.88249772170600
1999-04-01 15.07751928877490
1999-07-01 15.61108064871400
1999-10-01 15.67333053258910
2000-01-01 15.42582049062170
2000-04-01 10.28991707550980
2000-07-01 9.16007631528931
2000-10-01 8.24681480025813
2001-01-01 7.14080464284033
2001-04-01 5.99805348262014
2001-07-01 5.31268398904413
2001-10-01 5.19933427055935
2002-01-01 5.13982431527891
2002-04-01 4.92932807948608
2002-07-01 4.51434392618978
2002-10-01 11.71115175350730
2003-01-01 3.31148490125673
2003-04-01 3.09034657966264
2003-07-01 2.83310529242221
2003-10-01 2.45329408707148
2004-01-01 2.13549905557747
2004-04-01 2.00545143225260
2004-07-01 1.94293861556277
2004-10-01 1.92683801412458
2005-01-01 1.87476219554318
2005-04-01 1.59068574821014
2005-07-01 1.32901156066804
2005-10-01 1.39414598295216
2006-01-01 1.52595597762799
2006-04-01 1.61650233252462
2006-07-01 1.64507203915610
2006-10-01 1.49266325424957