The table below provides the captured time recordings for the $8$ individuals who called a ticket booth for the Fire Island ferry servicebetween $8$:$00$ am and $8$:$35$ am$.$ Based on the data in the table, what is the flow rate of these human callers?

Caller

Time in

Time out

$1$

$8$:$00$

$8$:$11$

$2$

$8$:$00$

$8$:$16$

$3$

$8$:$03$

$8$:$18$

$4$

$8$:$08$

$8$:$23$

$5$

$8$:$10$

$8$:$27$

$6$

$8$:$15$

$8$:$33$

$7$

$8$:$17$

$8$:$27$

$8$

$8$:$17$

$8$:$30$

Instruction: Round your answer to $1$ decimal place.

Flow rate of callers

per minute