hOW MANY DOSES ARE LEFT IN MY TOPI-CLICK?

WHEN THE BOTTOM OF THE WHITE PLUNGER IS AT THE BOTTOM OF THE REFILL WINDOW, THERE ARE 32 CLICKS REMAINING.

 WHEN THE BOTTOM OF THE WHITE PLUNGER IS AT THE BOTTOM OF THE REFILL WINDOW, THERE ARE 12 CLICKS REMAINING. 

WHEN THE BOTTOM OF THE WHITE PLUNGER IS BARELY VISABLE AT THE TOP OF THE TOPI-CLICK, THE DEVICE IS EMPTY.