that the Tanaka paper was in the field of Biology & Biochemistry,
was published in 1996, and has since received 657 citations. In
the Percentiles page, first locate the field (listed in green rows).
In the columns beneath Biology & Biochemistry, find the year
in which the paper in question was published (1996). Within that
year, the four rows list the number of citations needed to be within
the top 0.01%, 0.10%, 1.00%, and 10.00% of papers published in that
year in that field. Since the Tanaka paper received 657 citations,
that puts it in the top 0.01% of papers published in that year in
concludes this example.