Indian Institute of Foreign Trade 2018 Solved Paper

In which year the difference between the score obtained on Timeliness between Germany and India is minimum considering the score obtained on Timeliness for Germany as 4.39, 4.45, 4.36, 4.32, 4.48 and 4.33 for 2018, 2016, 2014, 2012, 2010 and 2007 respectively?