Global Office Space Market Size, Share & Demand Report By Space Type (Traditional Office Space, Co-working Spaces, Managed Offices, Serviced Offices, Hybrid Office Models), By Building Grade (Grade A, Grade B, Grade C), By Ownership Model (Owner-Occupied, Long-Term Lease, Short-Term Lease), By Industry Vertical (IT & ITES, BFSI, Consulting & Professional Services, Healthcare & Life Sciences, Manufacturing & Engineering, Media & Entertainment), By Location (CBD, Suburban Business Districts, Emerging Business Hubs), By Region & Segment Forecasts, 2026–2031