Thin Film Solar Cell Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Type (Cadmium Telluride, Amorphous Thin-film Silicon, Copper Indium Gallium Selenide, Microcrystalline Tandem Cells, Thin-film Polycrystalline Silicon, Others), By Installation (On-grid, Off-grid), By End User (Residential, Commercial, Utility), By Region, and By Competition, 2019-2029F