Table 2: Spatial autocorrelation results of standard residuals.

Year Months Distribution Moran’s I index z-score P-Value
2000 Jan-Mar Clustered 0.087 2.104 0.04
2000 Sep-Nov Clustered 0.086 2.274 0.02
2003 Jan-Mar Random 0.060 1.475 0.14
2003 Sep-Nov Clustered 0.084 2.096 0.04
2006 Jan-Mar Clustered 0.079 1.878 0.06
2006 Sep-Nov Random 0.036 1.186 0.85
2008 Jan-Mar Random 0.045 1.127 0.26
2008 Sep-Nov Random 0.041 1.037 0.30
2014 Jan-Mar Random 0.048 1.219 0.22
2017 Jan-Mar Random 0.059 1.452 0.15
2017 Sep-Nov Clustered 0.069 1.715 0.09