Table 3.

Estimated values of b and b_w from 2005 to 2017 in Hubei Province, China

Year	b	95% CI of b		bw	95% CI of bw
	Mean	Lower bound	Upper bound	Mean	Lower bound	Upper bound
2005	0.0816	0.0623	0.1009	8.5900 × 10−9	−4.0432 × 10−9	2.1223 × 10−8
2006	0.1054	0.0857	0.1250	5.5557 × 10− 9	2.8943 × 10− 9	8.2171 × 10− 9
2007	0.0881	0.0708	0.1055	1.9438 × 10−11	1.5076 × 10−11	2.3799 × 10− 111
2008	0.0937	0.0753	0.1121	3.5762 × 10−12	1.7830 × 10−12	5.3694 × 10−12
2009	0.0917	0.0724	0.1109	3.4175 × 10−13	2.9759 × 10−13	3.8591 × 10−13
2010	0.0792	0.0569	0.1014	3.3700 × 10− 13	1.5747 × 10− 13	5.1653 × 10− 13
2011	0.0840	0.0561	0.1120	2.6340 × 10− 13	8.0393 × 10−14	4.4641 × 10− 13
2012	0.0845	0.0697	0.0993	1.4250 × 10− 13	1.1837 × 10− 13	1.6663 × 10− 13
2013	0.0908	0.0619	0.1197	9.2350 × 10− 14	5.0479 × 10− 14	1.3422 × 10− 13
2014	0.0905	0.0739	0.1072	1.2351 × 10− 14	5.5676 × 10−15	1.9135 × 10− 14
2015	0.0787	0.0590	0.0983	4.6233 × 10−15	9.4468 × 10−16	8.3020 × 10− 15
2016	0.0889	0.0556	0.1221	3.1740 × 10− 15	2.5692 × 10− 15	3.7788 × 10− 15
2017	0.0816	0.0697	0.0935	2.7180 × 10− 15	1.4383 × 10− 15	3.9977 × 10− 15
Pooled	0.0898	0.0851	0.0946	1.1264 × 10− 9	4.1123 × 10−10	1.8416 × 10− 9

CI Confidence interval