Autism Spectrum Disorder Treatment Market Size, Share & COVID-19 Impact Analysis, By Treatment Type (Communication & Behavioral Therapies {Applied Behavior Analysis (ABA), Speech & Language Therapy, Occupational Therapy, and Others}, Drug Therapies {Antipsychotic Drugs, Selective Serotonin Reuptake Inhibitors, Stimulants, Sleep Medications, and Others}), By Type (Autistic Disorder, Asperger Syndrome, Pervasive Developmental Disorder, and Others), and Regional Forecast, 2023-2030