But one sign of yoga's growing popularity, she said, is the fact that the magazine's circulation has more than doubled in six years, to 70,000.

By this point circulation had doubled, fluctuating between 5,000 and 5,400.

And in a year circulation had doubled, to 20,000.

She presides over a magazine where the circulation has doubled, with a readership of a little more than a million today.

By 1996, circulation at this library had more than doubled to an average of 47,000 items per month.

During the 1920s the paper's circulation nearly doubled, reaching almost 40,000.

Since then, its circulation has more than doubled to about 70,000 copies distributed weekly.

By June 1915, the library reported that circulation had doubled since the same period in 1914.

After the new facility opened, circulation more than doubled from the previous year.

Also, the fanzine's circulation has more than doubled (to 6,000) since the first issue.