Table 2: Top 20 nodes of the static and dynamical properties.

Rank PS EL HA EC AP

1 ATO ATO ATO ATO CHN NOR VEN PER USA
2 PCO RUS RUS PAK IND CHE DEU COL CHN
3 CHN CHN FRA TKM USA DNK ECU CHE RUS
4 MSO PCO NHO UZB IDN ISL ZMB BWA IND
5 RUS MSO ZAF KAZ BRA IRL NIC IRL JPN
6 INO INO MRT AFG PAK USA BWA PAN DEU
7 DEU FRA CHN AZE RUS SWE SAU CRI CAN
8 IRN ABO MDG IRN BGD JPN GTM GAB GBR
9 COD UKR JPO TUR NGA NLD TZA ITA KOR
10 ABO JPO PCO FRA JPN FIN ZWE DNK IRN
11 CBO ZAF CAN FIN MEX AUT DOM ALB ITA
12 KAZ IRN USA SWE PHL GBR CHE GRC MEX
13 UKR MRT ARG AUT DEU BEL SEN TUR ZAF
14 SDN ERI MEX CZE VNM CAN AUT PRT FRA
15 FRA IDN HND DEU EGY DEU SVK GBR SAU
16 HUN NHO CRI HUN ETH FRA BRA ESP AUS
17 POL TUR PAN POL IRN AUS EST AUT BRA
18 AUT DEU INO SVK TUR ITA KHM NAM IDN
19 BSO BBO NAM CHE THA SGP CIV ECU UKR
20 AFG SDN DZA BLR FRA ESP POL SGP ESP

denotes the degree index, denotes the Betweenness index, denotes the Closeness index, and denotes the -core index, respectively. PS, EL, HA, EC, and AQ, respectively, denote the population size, economic level, habitats area size, energy consumption, and air pollution in the year of 2011.