Quarterly Millions of US Dollars
1966-01-01 0
1966-04-01 0
1966-07-01 0
1966-10-01 0
1967-01-01 0
1967-04-01 0
1967-07-01 0
1967-10-01 0
1968-01-01 0
1968-04-01 0
1968-07-01 0
1968-10-01 0
1969-01-01 0
1969-04-01 0
1969-07-01 0
1969-10-01 0
1970-01-01 0
1970-04-01 0
1970-07-01 0
1970-10-01 0
1971-01-01 0
1971-04-01 0
1971-07-01 0
1971-10-01 0
1972-01-01 0
1972-04-01 0
1972-07-01 0
1972-10-01 0
1973-01-01 0
1973-04-01 0
1973-07-01 0
1973-10-01 0
1974-01-01 0
1974-04-01 0
1974-07-01 0
1974-10-01 0
1975-01-01 0
1975-04-01 0
1975-07-01 0
1975-10-01 0
1976-01-01 0
1976-04-01 0
1976-07-01 0
1976-10-01 0
1977-01-01 0
1977-04-01 0
1977-07-01 0
1977-10-01 0
1978-01-01 28
1978-04-01 27
1978-07-01 93
1978-10-01 147
1979-01-01 113
1979-04-01 141
1979-07-01 243
1979-10-01 183
1980-01-01 167
1980-04-01 153
1980-07-01 100
1980-10-01 151
1981-01-01 180
1981-04-01 212
1981-07-01 184
1981-10-01 145
1982-01-01 231
1982-04-01 464
1982-07-01 427
1982-10-01 456
1983-01-01 327
1983-04-01 288
1983-07-01 462
1983-10-01 489
1984-01-01 499
1984-04-01 289
1984-07-01 77
1984-10-01 415
1985-01-01 546
1985-04-01 896
1985-07-01 1124
1985-10-01 1422
1986-01-01 1394
1986-04-01 1228
1986-07-01 1336
1986-10-01 1115
1987-01-01 1510
1987-04-01 1338
1987-07-01 1197
1987-10-01 1071
1988-01-01 1161
1988-04-01 1224
1988-07-01 1720
1988-10-01 1983
1989-01-01 1436
1989-04-01 1345
1989-07-01 788
1989-10-01 1181
1990-01-01 905
1990-04-01 750
1990-07-01 904
1990-10-01 1657
1991-01-01 1459
1991-04-01 2803
1991-07-01 3256
1991-10-01 2741
1992-01-01 3431
1992-04-01 2724
1992-07-01 3126
1992-10-01 2981
1993-01-01 2485
1993-04-01 2574
1993-07-01 3249
1993-10-01 3080
1994-01-01 3364
1994-04-01 2751
1994-07-01 2962
1994-10-01 2826
1995-01-01 2318
1995-04-01 1788
1995-07-01 2247
1995-10-01 2533
1996-01-01 3225
1996-04-01 3672
1996-07-01 2473
1996-10-01 3799
1997-01-01 2857
1997-04-01 2587
1997-07-01 2054
1997-10-01 3003
1998-01-01 2632
1998-04-01 2464
1998-07-01 2210
1998-10-01 2114
1999-01-01 1578
1999-04-01 1647
1999-07-01 2407
1999-10-01 2470
2000-01-01 2577
2000-04-01 2150
2000-07-01 1546
2000-10-01 2199
2001-01-01 2583
2001-04-01 3345
2001-07-01 3274
2001-10-01 2889
2002-01-01 2703
2002-04-01 2964
2002-07-01 3422
2002-10-01 2221
2003-01-01 3209
2003-04-01 2564
2003-07-01 1936
2003-10-01 2147
2004-01-01 2451
2004-04-01 3316
2004-07-01 3705
2004-10-01 4917
2005-01-01 3888
2005-04-01 3233
2005-07-01 3184
2005-10-01 2347
2006-01-01 1864
2006-04-01 1931
2006-07-01 1894
2006-10-01 1489
2007-01-01 1939
2007-04-01 1617
2007-07-01 1358
2007-10-01 2766
2008-01-01 2678
2008-04-01 1736
2008-07-01 1093
2008-10-01 379
2009-01-01 341
2009-04-01 672
2009-07-01 538
2009-10-01 666
2010-01-01 966
2010-04-01 707
2010-07-01 757
2010-10-01 1552
2011-01-01 2134
2011-04-01 1644
2011-07-01 3751
2011-10-01 3153
2012-01-01 3259
2012-04-01 3256
2012-07-01 1144
2012-10-01 3074
2013-01-01 8678
2013-04-01 6676
2013-07-01 7083
2013-10-01 6479
2014-01-01 1544
2014-04-01 1587
2014-07-01 1153
2014-10-01 710
2015-01-01 769
2015-04-01 1009
2015-07-01 4111
2015-10-01 10373
2016-01-01 11597
2016-04-01 11243
2016-07-01 8173
2016-10-01 2199
2017-01-01 1061
2017-04-01 1065
2017-07-01 884
2017-10-01 447
2018-01-01 637
2018-04-01 774