Region | No. Countries | Mean | Std. Deviation | Std. Error |
E. Asia-1 | 7 | 1953.2808 | 1723.40851 | 651.38719 |
C.l Asia-2 | 7 | 1199.9530 | 402.63886 | 152.18318 |
S. Asia-3 | 4 | 1388.4963 | 562.42803 | 281.21402 |
HIAP-4 | 4 | 1557.8282 | 1311.68261 | 655.84130 |
C.Euro-5 | 12 | 1907.2677 | 781.13785 | 225.49507 |
E.Euro-6 | 7 | 1290.2332 | 426.50378 | 161.20328 |
W.Euro7 | 20 | 2021.0526 | 927.78022 | 207.45796 |
S.L.A -8 | 2 | 2754.8536 | 51.00766 | 36.06786 |
Caribb-9 | 4 | 2179.4770 | 427.92517 | 213.96259 |
A. L.A-10 | 3 | 5626.3620 | 1684.96910 | 972.81736 |
C. Lat-11 | 10 | 3009.9215 | 2415.83335 | 763.95358 |
Mena-12 | 20 | 2195.6513 | 1917.32557 | 428.72703 |
Cessa-13 | 8 | 1436.8359 | 589.94954 | 208.57866 |
Wssa-14 | 8 | 1319.0813 | 683.02871 | 241.48712 |
Sssa-15 | 3 | 2173.6344 | 969.30033 | 559.62581 |
Total | 119 | 2015.8405 | 1466.14430 | 134.40123 |