Sincerely ask: who has a super-explosive joke ~ laugh off the fangs, urgently needed ~

There is a bus, starting from the starting station. After stopping, five people came over. After a while, 12 people came up and 3 people came down. After a while, six people came up and two people came down. After a while, 18 people came up and 2 1 people came down. After a while, eight people came up and came down 1 person. After a while, nine people came up and six people came down. After a while, 15 people came up and 17 people came down. After a while, two people came up and five people came down. After a while, seven people came up and came down 1 person. Excuse me, how many stops has it already had?