Article download statistics

Dear Sir/Madam
My Application Version is OJS 3.1.2.1.
I just want to know, How can i enable article download statistics on my website?
Regards

Hi Rohit
To activate the statistics click settings - website - plugin - usagestats . then setup as shown below

Regards
Ghazi

Dear
Thanks for sharing the information but we are not finding this plugin on our website settings. Can you please help how can i enable it?
Regards

You Will see those plugin when you log in as administrator account