LONDON (Reuters) - Swiss exports of gold to India jumped to a five-month high in August while shipments to China fell, Swiss customs data showed on Tuesday.Switzerland is the world’s largest bullion refining centre and transit hub and its data give insight into global demand trends. China and India are the largest consumers of gold.In 2020, Swiss shipments to China and India plunged as the coronavirus spread, and exports to India fell again this year when the Delta variant of the virus took hold there. Following are numbers for August and comparisons.SWISS TRADE DATA (KG) EXPORT (kg) Aug-21 116,442 Jul-21 94,081 Aug-20 112,004 SHIPMENTS TO KEY MARKETS (KG) To China To Hong Kong To India Aug-21 18,200 2,085 70,294 Jul-21 20,000 6,129 36,502 Aug-20 10,000 0 20,163 * Source: Swiss customs. Data subject to revision by source.