Table 14: and interval numbers (year of 2004-year of 2005).


0.720.820.220.22
0.750.840.220.23
0.760.850.220.22
0.280.380.10.1
0.670.760.220.22
0.720.820.230.23
0.730.820.220.23
0.330.420.120.15
0.70.750.220.22
0.710.760.230.23