Table 1.

Predictive performance of different models

Region	ARIMA-1	ARIMA-2	ARIMA-3	ES	GRNN	ARIMA–GRNN
India	0.109	0.102	0.169	0.307	0.522	0.117
the US	0.200	0.193	0.257	0.204	0.672	0.173

Bold value is the minimum MAPE value, which indicates that the model has the optimal predictive performance.