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Table 5 Spearman’s rank correlation coefficient

From: Circular economy: advancement of European Union countries

  cei_cie010 cei_cie020 cei_srm020 cei_srm030 cei_wm030 cei_wm011 cei_wm010 cei_pc033 cei_pc031 cei_wm020 cei_wm040 cei_wm050 cei_pc032
cei_cie010 1.000 0.862 0.619 0.652 0.634 0.597 0.455 0.398 0.333 0.464 0.250 − 0.084 − 0.414
cei_cie020 0.862 1.000 0.545 0.601 0.572 0.529 0.435 0.290 0.054 0.420 0.230 − 0.105 − 0.192
cei_srm020 0.619 0.545 1.000 0.420 0.627 0.608 0.504 0.440 0.225 0.490 0.144 − 0.031 − 0.205
cei_srm030 0.652 0.601 0.420 1.000 0.601 0.629 0.567 0.694 0.150 0.405 0.395 − 0.040 − 0.174
cei_wm030 0.634 0.572 0.627 0.601 1.000 0.904 0.608 0.358 0.475 0.652 0.357 0.215 − 0.457
cei_wm011 0.597 0.529 0.608 0.629 0.904 1.000 0.679 0.430 0.423 0.770 0.440 0.315 − 0.409
cei_wm010 0.455 0.435 0.504 0.567 0.608 0.679 1.000 0.289 0.184 0.577 0.429 − 0.082 − 0.294
cei_pc033 0.398 0.290 0.440 0.694 0.358 0.430 0.289 1.000 0.073 0.332 0.271 0.001 0.178
cei_pc031 0.333 0.054 0.225 0.149 0.475 0.423 0.184 0.073 1.000 0.291 0.166 − 0.062 − 0.768
cei_wm020 0.464 0.420 0.490 0.405 0.652 0.770 0.577 0.332 0.291 1.000 0.249 0.258 − 0.382
cei_wm040 0.250 0.230 0.144 0.395 0.357 0.440 0.429 0.271 0.166 0.249 1.000 0.047 − 0.215
cei_wm050 − 0.084 − 0.105 − 0.031 − 0.040 0.215 0.315 − 0.082 0.001 − 0.062 0.258 0.047 1.000 0.082
cei_pc032 − 0.414 − 0.192 − 0.205 − 0.174 − 0.457 − 0.409 − 0.294 0.178 − 0.768 − 0.382 − 0.215 0.082 1.000