Quarterly Millions of US Dollars
1974-10-01 10
1975-01-01 10
1975-04-01 10
1975-07-01 9
1975-10-01 29
1976-01-01 30
1976-04-01 30
1976-07-01 31
1976-10-01 31
1977-01-01 30
1977-04-01 30
1977-07-01 32
1977-10-01 37
1978-01-01 40
1978-04-01 54
1978-07-01 65
1978-10-01 62
1979-01-01 59
1979-04-01 60
1979-07-01 64
1979-10-01 85
1980-01-01 73
1980-04-01 83
1980-07-01 82
1980-10-01 76
1981-01-01 86
1981-04-01 81
1981-07-01 83
1981-10-01 92
1982-01-01 85
1982-04-01 95
1982-07-01 92
1982-10-01 100
1983-01-01 130
1983-04-01 128
1983-07-01 127
1983-10-01 124
1984-01-01 125
1984-04-01 146
1984-07-01 136
1984-10-01 131
1985-01-01 130
1985-04-01 133
1985-07-01 155
1985-10-01 164
1986-01-01 160
1986-04-01 173
1986-07-01 188
1986-10-01 191
1987-01-01 206
1987-04-01 181
1987-07-01 180
1987-10-01 215
1988-01-01 201
1988-04-01 246
1988-07-01 262
1988-10-01 307
1989-01-01 236
1989-04-01 192
1989-07-01 199
1989-10-01 192
1990-01-01 198
1990-04-01 205
1990-07-01 223
1990-10-01 188
1991-01-01 164
1991-04-01 153
1991-07-01 164
1991-10-01 150
1992-01-01 136
1992-04-01 146
1992-07-01 164
1992-10-01 138
1993-01-01 135
1993-04-01 127
1993-07-01 204
1993-10-01 196
1994-01-01 206
1994-04-01 216
1994-07-01 226
1994-10-01 221
1995-01-01 254
1995-04-01 252
1995-07-01 253
1995-10-01 213
1996-01-01 206
1996-04-01 196
1996-07-01 80
1996-10-01 74
1997-01-01 75
1997-04-01 80
1997-07-01 80
1997-10-01 11
1998-01-01 5
2002-01-01 37
2002-04-01 69
2002-07-01 71
2002-10-01 110
2003-01-01 129
2003-04-01 143
2003-07-01 146
2003-10-01 157
2004-01-01 161
2004-04-01 160
2004-07-01 162
2004-10-01 175
2005-01-01 173
2005-04-01 165
2005-07-01 168
2005-10-01 167
2006-01-01 172
2006-04-01 396
2006-07-01 392
2006-10-01 406
2007-01-01 409
2007-04-01 615
2007-07-01 644
2007-10-01 616
2008-01-01 681
2008-04-01 1004
2008-07-01 922
2008-10-01 943
2009-01-01 939
2009-04-01 1250
2009-07-01 1273
2009-10-01 1270
2010-01-01 1067
2010-04-01 1229
2010-07-01 1356
2010-10-01 1411
2011-01-01 1442
2011-04-01 1257
2011-07-01 1165
2011-10-01 1118
2012-01-01 1164
2012-04-01 523
2012-07-01 802
2012-10-01 820
2013-01-01 1103
2013-04-01 1113
2013-07-01 1160
2013-10-01 1404
2014-01-01 1413
2014-04-01 1067
2014-07-01 991
2014-10-01 959
2015-01-01 977
2015-04-01 1236
2015-07-01 1180
2015-10-01 1457
2016-01-01 1510
2016-04-01 1277
2016-07-01 1283
2016-10-01 1570
2017-01-01 1599
2017-04-01 1958
2017-07-01 1932
2017-10-01 2127
2018-01-01 2170
2018-04-01 2091