Table 1.

Global autocorrelation of VL (2010–2014)

Year	Moran’s I	z score	p value	Pattern
2010	0.315	10.997	0.001*	Clustered
2011	0.141	5.687	0.001*	Clustered
2012	0.079	2.795	0.013**	Clustered
2013	0.057	2.051	0.035**	Clustered
2014	0.182	6.982	0.001*	Clustered
2010–2014	0.195	7.582	0.001*	Clustered

*p < 0.01; **p < 0.05