"Figure 6: Valuation changes in Wales and weight changes for other regions led to revisions in Welsh output apportioned from 2015 to 2019","" "11 February 2020 release compared with 12 May 2021 data, Wales, Quarter 1 (Jan to Mar) 2010 to Quarter 1 2021, current price, non-seasonally adjusted","" "","" "Notes","" "Unit","£ million" "","" "","Previous release","Latest release" "Q1 2010","984","985" "Q2 2010","1069","1069" "Q3 2010","1135","1134" "Q4 2010","1097","1097" "Q1 2011","1090","1086" "Q2 2011","1109","1104" "Q3 2011","1133","1128" "Q4 2011","1055","1052" "Q1 2012","961","958" "Q2 2012","953","956" "Q3 2012","992","989" "Q4 2012","1082","1077" "Q1 2013","1037","1037" "Q2 2013","1175","1163" "Q3 2013","1235","1213" "Q4 2013","1231","1218" "Q1 2014","1199","1192" "Q2 2014","1268","1267" "Q3 2014","1330","1334" "Q4 2014","1252","1258" "Q1 2015","1141","1138" "Q2 2015","1177","1173" "Q3 2015","1218","1293" "Q4 2015","1166","1301" "Q1 2016","1080","1288" "Q2 2016","1174","1426" "Q3 2016","1208","1478" "Q4 2016","1200","1434" "Q1 2017","1192","1397" "Q2 2017","1331","1499" "Q3 2017","1397","1516" "Q4 2017","1434","1577" "Q1 2018","1369","1512" "Q2 2018","1511","1627" "Q3 2018","1695","1727" "Q4 2018","1717","1642" "Q1 2019","1587","1470" "Q2 2019","1605","1458" "Q3 2019","1727","1510" "Q4 2019","1704","1393" "Q1 2020","","1237" "Q2 2020","","837" "Q3 2020","","1275" "Q4 2020","","1312" "Q1 2021","","1370"