Table 15: and interval numbers (year of 2005-year of 2004).


0.680.770.220.22
0.7430.830.220.23
0.740.830.220.22
0.310.390.080.1
0.650.740.220.22
0.690.780.230.23
0.750.830.220.23
0.360.450.130.17
0.680.770.220.22
0.740.830.220.23