Table 3.

Comparison of GDP, population, waste emergy and UEI simulation values with real values in Jining

Time	Analog GDP	Actual GDP	Relative errors (%)	Analog population	Actual population	Relative errors (%)
2011	2367.44	2475.0	− 4.35	836.48	813	2.89
2012	2787.40	2789.8	− 0.09	840.43	816	2.99
2013	3113.09	3040.5	2.39	843.89	821	2.79
2014	3409.30	3301.5	3.27	846.19	824	2.69
2015	3770.53	3658.1	3.07	851.79	830	2.63
2016	3890.67	3881.9	0.23	855.96	835	2.51
2017	3995.78	4142.4	− 3.54	859.76	838	2.60
2018	4197.50	4336.8	− 3.21	863.92	835	3.46
2019	4567.37	4370.2	4.51	868.99	836	3.95
2020	4561.28	4494.3	1.49	871.88	836	4.29

Time	Analog waste emergy	Actual waste emergy	Relative errors (%)	Analog UEI	Actual UEI	Relative errors (%)
2011	4.78E + 21	4.79E + 21	− 0.18	0.570	0.570	0.00
2012	6.14E + 21	6.09E + 21	0.86	0.533	0.533	− 0.03
2013	4.31E + 21	4.25E + 21	1.46	0.542	0.542	− 0.04
2014	3.24E + 21	3.18E + 21	1.88	0.479	0.480	− 0.03
2015	3.94E + 21	3.87E + 21	1.69	0.471	0.471	− 0.04
2016	3.25E + 21	3.22E + 21	1.06	0.463	0.463	− 0.02
2017	4.85E + 21	4.83E + 21	0.48	0.444	0.444	− 0.02
2018	5.37E + 21	5.35E + 21	0.29	0.472	0.473	− 0.02
2019	3.92E + 21	3.87E + 21	1.19	0.459	0.459	− 0.04
2020	3.33E + 21	3.31E + 21	0.52	0.564	0.564	− 0.02