STRATUM 1550 2200 2.2 0 0.3 -0.6 80 0.8 0.85 0.5 5 300 100 140 R P 7 0.71 1 30  1.4  0.12  0  0.3  -0.08  0.15  0  0.26  0.5  9000  40002000  00400002   0    0   0

561,	stratum,	stratum,	car, 		STRATUM, 	STRATUM, 	null,	poorfamily,	10, 	0,	0,		-1, 0.762, 0.762,	0

stratum, nto_b_l, nto_b_s, nto_b_tw