How many tourist buses are there?

there are 22 seats, 25 seats, 29 seats, 33 seats, etc. According to the website of Pacific Auto, there are 22 buses, 25 buses, 29 buses, 33 buses, 35 buses, 37 buses, 45 buses and 49 buses. The number of seats in tourist buses varies with different models, ranging from 2 to 5.