Udviklingen i antallet af numre mellem 1958 og 1974 fremgår af figur 2, side 19, og det gennemsnitlige sideantal pr. måned pr. sprog af figur 3, side 20.
The trend in the number of issues published between 1958 and 1974 is shown in Chart 2, on page 19, and the average number of pages per month and per language in Chart 3 on page 20.