New Delhi, January 6: Leasing activities by the Global Capability Centres (GCC) hit all time high in 2024, at 2024 at 29.4 million square feet with a share of 37 per cent of the overall leasing activity across the top 9 cities in India and registering about 29 per cent year-to-year (Y-o-Y) growth, the CBRE South Asia Pvt. Ltd observed in a report.