The impact factor or journal impact factor of an academic journal is a scientometric index that reflects the yearly average number of citations that articles published in the last two years in a given journal received.
20161.37
Impact factor for 2016 year
20171.50
Impact factor for 2017 year
20181.69
Impact Factor for 2018 year
20192.89
Impact Factor for 2019 year (Based on ResearchBible)