Parameter	Country	Mean	Mode	Median	Variance	Standard deviation	Skewness
α	South Africa	0.1197	0.1403	0.1196	0.0007	0.0268	−0.0091
	Egypt	0.1184	0.0839	0.1179	0.0007	0.0267	−0.0099
	Algeria	0.1193	0.1279	0.1190	0.0007	0.0269	0.0220
	Nigeria	0.1205	0.0997	0.1209	0.0007	0.0268	0.0276
	Senegal	0.1193	0.0885	0.1197	0.0007	0.0267	−0.0146
	Kenya	0.1199	0.1038	0.1198	0.0007	0.0265	0.0400
Average		0.1195	0.1074	0.1195	0.0007	0.0267	0.0093
β	South Africa	0.8595	0.8087	0.8639	0.0062	0.0790	−0.2021
	Egypt	0.8612	0.9680	0.8649	0.0064	0.0800	−0.2292
	Algeria	0.8599	0.9639	0.8641	0.0064	0.0797	−0.1682
	Nigeria	0.8643	0.7685	0.8701	0.0063	0.0794	−0.1675
	Senegal	0.8624	0.9638	0.8679	0.0064	0.0797	−0.1702
	Kenya	0.8633	0.8516	0.8688	0.0063	0.0793	−0.1225
Average		0.8618	0.8874	0.8666	0.0063	0.0795	−0.1766
γ−1	South Africa	5.4012	5.0043	5.2803	0.1454	0.3814	1.6340
	Egypt	5.3892	5.1605	5.2741	0.1385	0.3722	1.6141
	Algeria	5.3900	5.0594	5.2719	0.1415	0.3761	1.6595
	Nigeria	5.3891	5.0006	5.2813	0.1370	0.3701	1.6577
	Senegal	5.3874	5.0138	5.2723	0.1402	0.3745	1.6352
	Kenya	5.3856	5.0445	5.2714	0.1354	0.3679	1.5824
Average		5.3904	5.0471	5.2752	0.1394	0.3737	1.6305
δ−1	South Africa	9.6670	8.9812	9.4425	0.6648	0.8153	1.8199
	Egypt	9.6417	9.1667	9.4356	0.6309	0.7943	1.8128
	Algeria	9.6452	8.9884	9.4253	0.6416	0.8010	1.8536
	Nigeria	9.6411	8.9992	9.4445	0.6286	0.7928	1.8412
	Senegal	9.6389	8.8769	9.4336	0.6360	0.7975	1.7504
	Kenya	9.6341	9.0214	9.4266	0.6221	0.7888	1.7457
Average		9.6447	9.0056	9.4347	0.6373	0.7983	1.8039
λ	South Africa	0.2940	0.2525	0.2927	0.0115	0.1070	0.0611
	Egypt	0.2911	0.2856	0.2908	0.0111	0.1054	0.1058
	Algeria	0.2909	0.4087	0.2875	0.0115	0.1073	0.0329
	Nigeria	0.2908	0.3796	0.2856	0.0117	0.1080	0.0996
	Senegal	0.2891	0.3788	0.2828	0.0115	0.1072	0.0513
	Kenya	0.2904	0.1185	0.2875	0.0119	0.1089	0.0924
Average		0.2910	0.3040	0.2878	0.0115	0.1073	0.0739
κ	South Africa	0.0251	0.0213	0.0247	0.0002	0.0132	0.0123
	Egypt	0.0252	0.0278	0.0251	0.0002	0.0133	−0.0030
	Algeria	0.0253	0.4087	0.2875	0.0115	0.1073	−0.0131
	Nigeria	0.0255	0.0420	0.0252	0.0002	0.0420	0.0089
	Senegal	0.0254	0.0226	0.0256	0.0002	0.0226	0.0075
	Kenya	0.0255	0.0040	0.0255	0.0002	0.0040	0.0119
Average		0.0253	0.0877	0.0689	0.0021	0.0337	0.0041