SCO members signed protocols for admitting new members, and various officials from member countries have signaled that India and Pakistan will be invited to join at next year's summit in Ufa, Russia.
17,280-23,040 per day. The average person takes about 15 breaths a minute. So, 15 x 60 (minutes in an hour)= 900 x 24 (hours in a day) = 21,600. Depending on the circumstances, the average person in- and exhales 12 times per minute 0.5 litres of air. 12 times 0.5 makes 6 litres of air per minute.
A person breathes 7 or 8 liters of air per minute. Air is about 20% oxygen. But when you exhale, your breath is about 15% oxygen, so you consumed about 5%. Therefore, a person uses about 550 liters of pure oxygen each day. As for exhaled CO2, this site.