| Tukey Honest Significant Difference Comparisons |
| | diff | lwr | upr | p adj |
| Asia-Pacific-Africa | 1.299 | -0.024 | 2.623 | 0.058 |
| European_Union-Africa | 3.804 | 2.376 | 5.232 | 0 |
| Latin_America-Africa | 1.813 | 0.554 | 3.072 | 0.001 |
| Middle_East/Central_Asia-Africa | 2.383 | 0.895 | 3.872 | 0 |
| North_America-Africa | 5.716 | 2.186 | 9.246 | 0 |
| Northern/Eastern_Europe-Africa | 2.092 | 0.188 | 3.996 | 0.021 |
| European_Union-Asia-Pacific | 2.505 | 0.946 | 4.064 | 0 |
| Latin_America-Asia-Pacific | 0.514 | -0.893 | 1.92 | 0.931 |
| Middle_East/Central_Asia-Asia-Pacific | 1.084 | -0.531 | 2.699 | 0.417 |
| North_America-Asia-Pacific | 4.416 | 0.831 | 8.001 | 0.006 |
| Northern/Eastern_Europe-Asia-Pacific | 0.793 | -1.211 | 2.797 | 0.901 |
| Latin_America-European_Union | -1.992 | -3.497 | -0.486 | 0.002 |
| Middle_East/Central_Asia-European_Union | -1.421 | -3.123 | 0.281 | 0.169 |
| North_America-European_Union | 1.911 | -1.714 | 5.536 | 0.7 |
| Northern/Eastern_Europe-European_Union | -1.712 | -3.787 | 0.363 | 0.18 |
| Middle_East/Central_Asia-Latin_America | 0.571 | -0.993 | 2.134 | 0.931 |
| North_America-Latin_America | 3.903 | 0.341 | 7.465 | 0.022 |
| Northern/Eastern_Europe-Latin_America | 0.279 | -1.683 | 2.242 | 1 |
| North_America-Middle_East/Central_Asia | 3.332 | -0.317 | 6.982 | 0.099 |
| Northern/Eastern_Europe-Middle_East/Central_Asia | -0.291 | -2.408 | 1.826 | 1 |
| Northern/Eastern_Europe-North_America | -3.623 | -7.461 | 0.214 | 0.078 |
