KLA-TENCOR revenue for the last year amounted to 9.16 B EUR, the most of which — 8.15 B EUR — came from its highest performing source at the moment, Semiconductor Process Control, the year earlier bringing 8.55 B EUR. The greatest contribution to the revenue figure was made by China — last year it brought KLA-TENCOR 3.92 B EUR, and the year before that — 2.63 B EUR.