Quarter Millions of Chained 2010 National Currency 2009-01-01 266154.4 2009-04-01 324476.0 2009-07-01 302282.3 2009-10-01 302422.3 2010-01-01 276396.2 2010-04-01 331467.7 2010-07-01 313693.2 2010-10-01 318087.5 2011-01-01 292237.9 2011-04-01 326068.5 2011-07-01 320289.5 2011-10-01 332602.6 2012-01-01 289843.8 2012-04-01 340300.3 2012-07-01 324846.1 2012-10-01 334227.8 2013-01-01 294703.1 2013-04-01 349786.4 2013-07-01 316838.7 2013-10-01 340807.7 2014-01-01 300669.1 2014-04-01 353188.4 2014-07-01 330940.9 2014-10-01 340443.9 2015-01-01 305736.9 2015-04-01 359316.4 2015-07-01 341411.8 2015-10-01 348181.0 2016-01-01 317069.4 2016-04-01 370697.8 2016-07-01 349291.2 2016-10-01 362997.5 2017-01-01 329509.9 2017-04-01 386417.2 2017-07-01 361761.2 2017-10-01 376067.4 2018-01-01 344209.2 2018-04-01 403116.4