Quarter Sterling 1997-09-30 45307 1997-12-31 44347 1998-03-31 46532 1998-06-30 47639 1998-09-30 48652 1998-12-31 50437 1999-03-31 52387 1999-06-30 54253 1999-09-30 55155 1999-12-31 58166 2000-03-31 60699 2000-06-30 62043 2000-09-30 65428 2000-12-31 72877 2001-03-31 77159 2001-06-30 80845 2001-09-30 85607 2001-12-31 89706 2002-03-31 94001 2002-06-30 99543 2002-09-30 103226 2002-12-31 109960 2003-03-31 115138 2003-06-30 119382 2003-09-30 123166 2003-12-31 125199 2004-03-31 131472 2004-06-30 138357 2004-09-30 142687 2004-12-31 148825 2005-03-31 156011 2005-06-30 164403 2005-09-30 169485 2005-12-31 174199 2006-03-31 182052 2006-06-30 188811 2006-09-30 196569 2006-12-31 206171 2007-03-31 212921 2007-06-30 220458 2007-09-30 232209 2007-12-31 239746 2008-03-31 278069 2008-06-30 286083 2008-09-30 293645 2008-12-31 292991 2009-03-31 293053 2009-06-30 293728 2009-09-30 292065 2009-12-31 288737 2010-03-31 291206 2010-06-30 285600 2010-09-30 281926 2010-12-31 263288 2011-03-31 220113 2011-06-30 219385 2011-09-30 215878 2011-12-31 211356 2012-03-31 207010 2012-06-30 201281 2012-09-30 198430 2012-12-31 196376 2013-03-31 191832 2013-06-30 186296 2013-09-30 180168 2013-12-31 167492 2014-03-31 163387 2014-06-30 160191 2014-09-30 156989 2014-12-31 152503 2015-03-31 162037 2015-06-30 165865 2015-09-30 165307 2015-12-31 166285 2016-03-31 169336 2016-06-30 170175 2016-09-30 170069 2016-12-31 171590 2017-03-31 169639 2017-06-30 170598 2017-09-30 171253 2017-12-31 169877 2018-03-31 172968 2018-06-30 174334 2018-09-30 177517 2018-12-31 181118 2019-03-31 182968 2019-06-30 185956 2019-09-30 187566 2019-12-31 188465 2020-03-31 191958 2020-06-30 194933 2020-09-30 196764 2020-12-31 197232 2021-03-31 199967 2021-06-30 199393 2021-09-30 199173 2021-12-31 201572 2022-03-31 201719 2022-06-30 204562 2022-09-30 205198 2022-12-31 206978 2023-03-31 207469 2023-06-30 209166 2023-09-30 210391 2023-12-31 212389