Quarter	Fine troy ounces
1979-03-31	240.1
1979-06-30	277.5
1979-09-30	397.25
1979-12-31	524
1980-03-31	494.5
1980-06-30	653.5
1980-09-30	666.75
1980-12-31	589.5
1981-03-31	513.75
1981-06-30	426
1981-09-30	428.75
1981-12-31	400
1982-03-31	320
1982-06-30	317.5
1982-09-30	397
1982-12-31	448
1983-03-31	414.75
1983-06-30	416
1983-09-30	405
1983-12-31	381.5
1984-03-31	388.5
1984-06-30	373.05
1984-09-30	343.75
1984-12-31	308.3
1985-03-31	329.25
1985-06-30	317.75
1985-09-30	325.75
1985-12-31	327
1986-03-31	344
1986-06-30	346.75
1986-09-30	423.2
1986-12-31	390.9
1987-03-31	421
1987-06-30	447.3
1987-09-30	459.5
1987-12-31	486.5
1988-03-31	456.95
1988-06-30	436.55
1988-09-30	396.7
1988-12-31	410.75
1989-03-31	383.2
1989-06-30	371.15
1989-09-30	366.5
1989-12-31	401
1990-03-31	368.5
1990-06-30	352.5
1990-09-30	408.4
1990-12-31	386
1991-03-31	355.65
1991-06-30	368.35
1991-09-30	354.9
1991-12-31	353
1992-03-31	342
1992-06-30	343
1992-09-30	349
1992-12-31	333
1993-03-31	338
1993-06-30	378
1993-09-30	356
1993-12-31	391
1994-03-31	389
1994-06-30	388
1994-09-30	395
1994-12-31	383
1995-03-31	392
1995-06-30	387
1995-09-30	384
1995-12-31	386.7
1996-03-31	396.35
1996-06-30	382
1996-09-30	379
1996-12-31	370
1997-03-31	348.15
1997-06-30	334.55
1997-09-30	322
1997-12-31	289.2
1998-03-31	301
1998-06-30	296.3
1998-09-30	293.85
1998-12-31	287.45
1999-03-31	279.45
1999-06-30	261
1999-09-30	299
1999-12-31	290.25
2000-03-31	276.75
2000-06-30	288.15
2000-09-30	273.65
2000-12-31	272.65
2001-03-31	255.95
2001-06-30	268.35
2001-09-30	293.1
2001-12-31	276.5
2002-03-31	301.4
2002-06-30	318.5
2002-09-30	323.7
2002-12-31	342.75
2003-03-31	334.85
2003-06-30	346
2003-09-30	388
2003-12-31	417.25
2004-03-31	423.7
2004-06-30	395.8
2004-09-30	415.65
2004-12-31	438
2005-03-31	427.5
2005-06-30	437.1
2005-09-30	473.25
2005-12-31	513
2006-03-31	582
2006-06-30	613.5
2006-09-30	599.25
2006-12-31	635.7
2007-03-31	661.75
2007-06-30	650.5
2007-09-30	743
2007-12-31	833.75
2008-03-31	933.5
2008-06-30	930.25
2008-09-30	884.5
2008-12-31	869.75
2009-03-31	916.5
2009-06-30	934.5
2009-09-30	995.75
2009-12-31	1087.5
2010-03-31	1115.5
2010-06-30	1244
2010-09-30	1307
2010-12-31	1405.5
2011-03-31	1439
2011-06-30	1505.5
2011-09-30	1620
2011-12-31	1531
2012-03-31	1662.5
2012-06-30	1598.5
2012-09-30	1776
2012-12-31	1664
2013-03-31	1598.25
2013-06-30	1192
2013-09-30	1326.5
2013-12-31	1204.5
2014-03-31	1291.75
2014-06-30	1315
2014-09-30	1216.5
2014-12-31	1206
2015-03-31	1187
2015-06-30	1176
2015-09-30	1114
2015-12-31	1060
2016-03-31	1237
2016-06-30	1320.75
2016-09-30	1322.5
2016-12-31	1145.9
2017-03-31	1244.85