Quarter Sterling (millions) 2004-03-31 242 2004-06-30 226 2004-09-30 250 2004-12-31 281 2005-03-31 309 2005-06-30 394 2005-09-30 447 2005-12-31 463 2006-03-31 511 2006-06-30 573 2006-09-30 580 2006-12-31 618 2007-03-31 762 2007-06-30 772 2007-09-30 867 2007-12-31 1087 2008-03-31 1117 2008-06-30 1028 2008-09-30 1063 2008-12-31 1297 2009-03-31 755 2009-06-30 555 2009-09-30 496 2009-12-31 538 2010-03-31 438 2010-06-30 411 2010-09-30 405 2010-12-31 370 2011-03-31 370 2011-06-30 338 2011-09-30 380 2011-12-31 399 2012-03-31 345 2012-06-30 304 2012-09-30 286 2012-12-31 269 2013-03-31 248 2013-06-30 270 2013-09-30 232 2013-12-31 235 2014-03-31 221 2014-06-30 249 2014-09-30 247 2014-12-31 262 2015-03-31 221 2015-06-30 202 2015-09-30 214 2015-12-31 243 2016-03-31 280 2016-06-30 337 2016-09-30 323 2016-12-31 359 2017-03-31 432 2017-06-30 464 2017-09-30 478 2017-12-31 458 2018-03-31 463 2018-06-30 533 2018-09-30 454 2018-12-31 470