"Figure 4: Production and water supply, sewerage & waste management output (sector E), Quarter 1 (Jan to Mar) 1997 to Quarter 1 (Jan to Mar) 2016, UK","" "","" "","" "Notes","1. Throughout this release Q1 refers to Quarter 1 (January to March), Q2 refers to Quarter 2 (April to June), Q3 refers to Quarter 3 (July to September) and Q4 refers to Quarter 4 (October to December)." "Unit","Index year, 1997=100" "","" "Quarter","Production","Water supply, sewerage & waste management " "Q1 1997","100.04","99.34" "Q2 1997","99.43","98.81" "Q3 1997","100.03","101.56" "Q4 1997","100.50","100.28" "Q1 1998","101.44","108.93" "Q2 1998","101.30","107.69" "Q3 1998","100.81","105.03" "Q4 1998","100.71","106.90" "Q1 1999","100.79","105.06" "Q2 1999","100.96","107.09" "Q3 1999","103.11","108.66" "Q4 1999","103.61","111.01" "Q1 2000","103.74","107.89" "Q2 2000","104.17","108.17" "Q3 2000","103.98","110.42" "Q4 2000","104.35","110.40" "Q1 2001","103.80","109.54" "Q2 2001","102.37","110.95" "Q3 2001","102.27","109.48" "Q4 2001","100.88","111.40" "Q1 2002","101.14","114.64" "Q2 2002","100.71","114.94" "Q3 2002","100.77","115.65" "Q4 2002","100.28","116.62" "Q1 2003","99.76","121.25" "Q2 2003","99.48","120.77" "Q3 2003","100.26","122.81" "Q4 2003","100.82","121.27" "Q1 2004","101.09","121.73" "Q2 2004","101.50","126.17" "Q3 2004","99.82","122.95" "Q4 2004","100.56","123.26" "Q1 2005","99.84","127.13" "Q2 2005","100.82","129.01" "Q3 2005","99.54","129.83" "Q4 2005","99.99","130.66" "Q1 2006","100.92","125.66" "Q2 2006","100.37","126.66" "Q3 2006","100.60","125.79" "Q4 2006","100.74","127.81" "Q1 2007","101.02","132.61" "Q2 2007","100.97","131.13" "Q3 2007","100.69","130.02" "Q4 2007","101.14","132.34" "Q1 2008","100.72","133.25" "Q2 2008","99.90","134.10" "Q3 2008","98.57","134.04" "Q4 2008","94.18","125.57" "Q1 2009","89.91","120.82" "Q2 2009","90.04","121.54" "Q3 2009","89.20","121.69" "Q4 2009","90.08","122.60" "Q1 2010","91.71","122.28" "Q2 2010","92.55","124.09" "Q3 2010","92.91","124.86" "Q4 2010","93.74","125.85" "Q1 2011","93.15","129.95" "Q2 2011","92.23","131.12" "Q3 2011","91.95","130.09" "Q4 2011","91.44","134.40" "Q1 2012","90.84","130.96" "Q2 2012","89.85","130.66" "Q3 2012","90.01","131.28" "Q4 2012","87.90","131.95" "Q1 2013","88.19","131.38" "Q2 2013","88.75","134.26" "Q3 2013","89.29","140.48" "Q4 2013","89.43","141.04" "Q1 2014","89.81","141.11" "Q2 2014","90.02","136.81" "Q3 2014","90.24","136.10" "Q4 2014","90.26","137.69" "Q1 2015","90.49","138.19" "Q2 2015","91.16","143.72" "Q3 2015","91.31","144.18" "Q4 2015","90.96","145.48" "Q1 2016","90.61","148.82"