Quarter Sterling (millions) 1997-09-30 381 1997-12-31 379 1998-03-31 375 1998-06-30 405 1998-09-30 395 1998-12-31 409 1999-03-31 399 1999-06-30 401 1999-09-30 407 1999-12-31 430 2000-03-31 442 2000-06-30 450 2000-09-30 442 2000-12-31 439 2001-03-31 452 2001-06-30 449 2001-09-30 466 2001-12-31 496 2002-03-31 485 2002-06-30 480 2002-09-30 473 2002-12-31 485 2003-03-31 490 2003-06-30 506 2003-09-30 523 2003-12-31 516 2004-03-31 483 2004-06-30 464 2004-09-30 459 2004-12-31 441 2005-03-31 428 2005-06-30 437 2005-09-30 437 2005-12-31 452 2006-03-31 499 2006-06-30 440 2006-09-30 470 2006-12-31 490 2007-03-31 466 2007-06-30 481 2007-09-30 462 2007-12-31 483 2008-03-31 510 2008-06-30 437 2008-09-30 435 2008-12-31 444 2009-03-31 406 2009-06-30 419 2009-09-30 383 2009-12-31 393 2010-03-31 384 2010-06-30 381 2010-09-30 372 2010-12-31 375 2011-03-31 347 2011-06-30 313 2011-09-30 320 2011-12-31 322 2012-03-31 304 2012-06-30 298 2012-09-30 335 2012-12-31 297 2013-03-31 284 2013-06-30 272 2013-09-30 268 2013-12-31 274 2014-03-31 288 2014-06-30 280 2014-09-30 289 2014-12-31 284 2015-03-31 280 2015-06-30 303 2015-09-30 296 2015-12-31 277 2016-03-31 282 2016-06-30 320 2016-09-30 326 2016-12-31 342 2017-03-31 343 2017-06-30 339 2017-09-30 329 2017-12-31 391 2018-03-31 336 2018-06-30 346 2018-09-30 399 2018-12-31 373 2019-03-31 380 2019-06-30 373 2019-09-30 381 2019-12-31 354 2020-03-31 357 2020-06-30 384 2020-09-30 382 2020-12-31 393 2021-03-31 418 2021-06-30 419 2021-09-30 423 2021-12-31 406 2022-03-31 400 2022-06-30 402 2022-09-30 421 2022-12-31 414 2023-03-31 395 2023-06-30 384 2023-09-30 396 2023-12-31 393