Quarter Sterling (millions) 2007-12-31 288 2008-03-31 179 2008-06-30 172 2008-09-30 201 2008-12-31 274 2009-03-31 230 2009-06-30 206 2009-09-30 192 2009-12-31 255 2010-03-31 218 2010-06-30 208 2010-09-30 217 2010-12-31 388 2011-03-31 219 2011-06-30 218 2011-09-30 282 2011-12-31 302 2012-03-31 215 2012-06-30 222 2012-09-30 250 2012-12-31 280 2013-03-31 211 2013-06-30 155 2013-09-30 196 2013-12-31 293 2014-03-31 223 2014-06-30 205 2014-09-30 189 2014-12-31 267 2015-03-31 157 2015-06-30 205 2015-09-30 297 2015-12-31 297 2016-03-31 154 2016-06-30 257 2016-09-30 209 2016-12-31 217 2017-03-31 151 2017-06-30 188 2017-09-30 148 2017-12-31 154 2018-03-31 142 2018-06-30 94 2018-09-30 139 2018-12-31 110 2019-03-31 118 2019-06-30 163 2019-09-30 125 2019-12-31 180 2020-03-31 112 2020-06-30 124 2020-09-30 63 2020-12-31 118