circulation
US /ˌsɝː.kjəˈleɪ.ʃən/
UK /ˌsɝː.kjəˈleɪ.ʃən/

1.
2.
the public availability or distribution of something
:
•
The newspaper has a daily circulation of 100,000 copies.
•
The book is now back in circulation after being out of print for years.