Sentence examples for this is circa from inspiring English sources

This is circa 10%% of the eligible population.

This was circa Diamonds and Pearls.

This was circa 2010, just before the Occupy Wall Street movement kicked off, and before student debt hit $1 trillion.

Second, the patient-directed instrument can be administered in a very short time (that is, circa 3 minutes).

The date is circa 1475 B.C.

It may even be where the vital center of American fiction is, circa 2012.

"The business turnover is circa £1.6m and the acquisitional cost is £1.

Their model of engagement and recruitment is circa 1980.

That the average cost of producing a barrel of oil is circa $11/bbl.

The coverage of the NIP is circa 96% [9].

The numbers of animals that can be accommodated in this area being circa 2.5 million, while the numbers have actually increased to approximately 7.5 million head (Rangeland Development Project 2008).