Billion is used all through the reportYou can contact them and correct them I am sure they will be all ears !
Here is the contact
Spherical Insights LLP.
East Fountain Circle Drive, Mason, Ohio 45040, USA
As per Spherical Insights, the size of the Fumed silica market was valued at USD 1,603 billion in 2022 to USD 2,708 billion by 2030