Psoriasis Treatment Market Size, Share & Covid-19 Impact Analysis, By Drug Class (TNF inhibitors, Interleukins, and Others), By Type (Plaque Psoriasis, Psoriatic Arthritis, and Others), By Route of Administration (Oral, Parenteral/Systemic, and Topical) By Distribution Channel (Hospital Pharmacies, Retail Pharmacies, and Online Pharmacies), and Regional Forecast, 2022-2029