"Figure 9: Impact of new data and methods for second-hand cars on CPIH annual growth rate (%)","" "Impact of new data and methods on CPIH annual growth rate, UK, January 2017 to February 2022","" "","" "Notes","" "Unit","%" "","" "","CPIH including new data & methods","CPIH" "Jan-17","1.9","1.9" "Feb-17","2.3","2.3" "Mar-17","2.3","2.3" "Apr-17","2.6","2.6" "May-17","2.7","2.7" "Jun-17","2.6","2.6" "Jul-17","2.6","2.6" "Aug-17","2.7","2.7" "Sep-17","2.8","2.8" "Oct-17","2.8","2.8" "Nov-17","2.8","2.8" "Dec-17","2.7","2.7" "Jan-18","2.7","2.7" "Feb-18","2.5","2.5" "Mar-18","2.3","2.3" "Apr-18","2.2","2.2" "May-18","2.3","2.3" "Jun-18","2.3","2.3" "Jul-18","2.3","2.3" "Aug-18","2.4","2.4" "Sep-18","2.2","2.2" "Oct-18","2.2","2.2" "Nov-18","2.2","2.2" "Dec-18","2","2" "Jan-19","1.8","1.8" "Feb-19","1.8","1.8" "Mar-19","1.8","1.8" "Apr-19","2","2" "May-19","1.9","1.9" "Jun-19","1.9","1.9" "Jul-19","1.9","2" "Aug-19","1.6","1.7" "Sep-19","1.7","1.7" "Oct-19","1.5","1.5" "Nov-19","1.5","1.5" "Dec-19","1.3","1.4" "Jan-20","1.8","1.8" "Feb-20","1.7","1.7" "Mar-20","1.5","1.5" "Apr-20","0.9","0.9" "May-20","0.6","0.7" "Jun-20","0.8","0.8" "Jul-20","1.2","1.1" "Aug-20","0.5","0.5" "Sep-20","0.7","0.7" "Oct-20","0.9","0.9" "Nov-20","0.6","0.6" "Dec-20","0.8","0.8" "Jan-21","0.9","0.9" "Feb-21","0.7","0.7" "Mar-21","1","1" "Apr-21","1.7","1.6" "May-21","2.2","2.1" "Jun-21","2.5","2.4" "Jul-21","2","2.1" "Aug-21","3","3" "Sep-21","2.9","2.9" "Oct-21","3.8","3.8" "Nov-21","4.6","4.6" "Dec-21","4.8","4.8" "Jan-22","4.9","4.9" "Feb-22","5.5","5.5"