10		2
20		39
20	no	1
20	oxygen therapy	1
30		80
30	no	8
30	oxygen therapy	1
40		75
40	no	17
40	oxygen therapy	4
50		72
50	no	13
50	oxygen therapy	3
60		33
60	no	14
60	oxygen therapy	13
70		10
70	no	8
70	oxygen therapy	12
80		2
80	no	5