Years
10 designs
Date is the one axis where the archive’s gaps are visible as shape rather than absence. The bar is the count held, not the count issued — a short decade means we own little of it, and that is worth stating.
YearHeldDecadeDesigns
19641960s219651960s119691960s119701970s119751970s119761970s319771970s1Only designs dated to the year are counted here. A design the archive dates to a decade is counted on that decade, never split across its years.