Global HIV Drugs Market Size, Share & Trends Analysis Report, By Medication Class (Multi-class Combination Drugs, Nucleoside Reverse Transcriptase Inhibitors (NRTIs), Non-nucleoside Reverse Transcriptase Inhibitors (NNRTIs), Protease Inhibitors (PIs), Entry Inhibitors, and HIV Integrase Strand Transfer Inhibitors), By Distribution Channel (Hospital Pharmacies, Retail Pharmacies, and Online Pharmacies), Forecast (2022-2028)