Jelqing should be intuitive and this includes all girth work. Counting and timing expansion is difficult to keep track of when doing exercises as it robs the mind of concentration and negatively affects erection quality. This is why
SRT Routine, my latest brain child

, gives long 5 minute sessions of jelqing, Slow Squash Jelqs or the like. This way all concentration is dominated by attaining the best expansion, not counting.