Table 1.

List of the parameters

Parameters	Belgium	France	Germany
Density []	377	119	240
Surface []	30530	547557	348560
[]	0.00072	0.002	0.00093
after	0.000288	0.00087	0.000387
[]	0.062	0.062	0.0608
[]	0.05	0.05	0.02
[]	0.07	0.06	0.06
[]	0.02	0.01	0.01
[]	377.0	119	240
[]	0.01	0.01	0.01
[]	0.2	0.2	0.21
	0.5	0.5	0.1
[]	7	7	7
[]	7	7	7
[]	8	8	8
[]	8	8	8
[]	0.0655	0.0091	0.023
[]	0.0023	0.0018	0.0014
Start []	77	71	76
End []	124	131	125
Start []	306	303	306