Table 1.

The obtained parameters from Eq. 1 for China and some European countries. Countries were placed in decreasing order of p magnitude.

Parameters	Austria	Spain	Belgium	Italy	Germany	China	Norway
a1	113	717	293	818	508	0	0
a2	14,530	203,651	38,448	186,092	167,377	86,545	18,122
Do	25.8	32.8	31.8	36.4	32.0	17.6	49.8
p	5.24	4.91	4.41	4.18	4.16	3.37	2.40