Smoking	Test	Oxygen
NON	1	12.8
NON	1	13.5
NON	1	11.2
NON	2	16.2
NON	2	18.1
NON	2	17.8
NON	3	22.6
NON	3	19.3
NON	3	18.9
MOD	1	10.9
MOD	1	11.1
MOD	1	9.8
MOD	2	15.5
MOD	2	13.8
MOD	2	16.2
MOD	3	20.1
MOD	3	21
MOD	3	15.9
HEAVY	1	8.7
HEAVY	1	9.2
HEAVY	1	7.5
HEAVY	2	14.7
HEAVY	2	13.2
HEAVY	2	8.1
HEAVY	3	16.2
HEAVY	3	16.1
HEAVY	3	17.8