2020 Journal Citation Reports®, from Clarivate Analytics:

SCI Impact Factor (2020) 5.376
SCI 5-Year Impact Factor (2020) 4.865

2020 Journal Metrics, from Scopus:

SCImago Journal & Country Rank
5.1
2020CiteScore
 
67th percentile
Powered by  Scopus
CiteScore (2020) 5.1
SJR (2020) 1.234
SNIP (2020) 1.324

Country-specific access statistics

CountryReference
United States 43,298
Canada 27,558
Sweden 6,997
South Korea 3,653
Russia 2,610
China 2,371
Germany 2,151
United Kingdom 1,622
France 1,545
Ukraine 517
Excel Download