"Figure 5: 12-month growth in the oil component of input PPI, by current month and base effects","" "UK, January 2015 to September 2018","" "","" "Notes","" "Unit","% and percentage points" "","" "","12-month growth rate","Current month effect","Base effect (holding current month constant)" "2015 JAN","-48.5","-11.16","-37.31" "2015 FEB","-44.2","4.06","-48.31" "2015 MAR","-40.3","2.89","-43.20" "2015 APR","-38.2","1.73","-39.89" "2015 MAY","-37.0","1.72","-38.69" "2015 JUN","-40.3","-2.62","-37.65" "2015 JUL","-41.2","-3.29","-37.88" "2015 AUG","-48.6","-9.27","-39.32" "2015 SEP","-46.7","0.00","-46.70" "2015 OCT","-40.7","1.12","-41.80" "2015 NOV","-40.4","-4.13","-36.25" "2015 DEC","-35.2","-7.44","-27.80" "2016 JAN","-30.6","-9.35","-21.22" "2016 FEB","-37.0","-1.38","-35.63" "2016 MAR","-28.8","11.26","-40.05" "2016 APR","-26.2","4.58","-30.79" "2016 MAY","-20.8","7.43","-28.22" "2016 JUN","-12.1","5.17","-17.31" "2016 JUL","-6.4","0.82","-7.23" "2016 AUG","11.0","0.48","10.47" "2016 SEP","14.5","3.54","10.95" "2016 OCT","24.2","11.85","12.32" "2016 NOV","23.5","-9.29","32.77" "2016 DEC","57.6","19.96","37.66" "2017 JAN","86.3","7.48","78.85" "2017 FEB","88.9","-1.53","90.39" "2017 MAR","52.0","-6.99","59.01" "2017 APR","41.6","-1.03","42.59" "2017 MAY","21.4","-6.87","28.28" "2017 JUN","8.4","-5.88","14.26" "2017 JULY","7.6","0.15","7.43" "2017 AUG","14.9","7.84","7.11" "2017 SEP","17.4","6.05","11.39" "2017 OCT","10.2","3.94","6.23" "2017 NOV","26.9","8.48","18.47" "2017 DEC","12.8","1.91","10.87" "2018 JAN","12.7","4.47","8.26" "2018 FEB","9.0","-4.62","13.64" "2018 MAR","13.5","-0.48","14.03" "2018 APR","20.1","5.72","14.37" "2018 MAY","43.1","16.22","26.90" "2018 JUN","50.2","-0.68","50.88" "2018 JUL","49.6","-0.41","50.00" "2018 AUG","41.0","1.64","39.39" "2018 SEP","38.2","4.43","33.77"