Solar Water Pump Market Size, Share & COVID-19 Impact Analysis, By Type (Submersible Pump, Surface Pump), By Motor Type (AC Pump, DC Pump), By Power Rating (Up to 5 HP, 5 HP to 10 HP, 10 HP to 20 HP, More than 20 HP), By Application (Agriculture, Water Treatment, Others), and Regional Forecast, 2021-2028