G - good data.
S -  some experimental data and theoretical
       estimation exists.
P - poor data
T - only theoretical estimation , no experimental data

	pion	kaon	nucleon	Lambda	Sigma	Xi
pion	S
kaon		P	S
nucleon			G	S	T	T
Lambda				P		T
Sigma					T	T
Xi						T

A1, R1 - singlet scattering lenght and effective range.
A3, R3 - triplet scattering lenght and effective range.