About 3.2 billion yen was returned to the various owners, and some 570 million yen was returned to those who found the money. Around 660 million yen became metropolitan government revenue. Approximately 4.4 million items were handed into the police, up 7.8 per cent from the previous year, also hitting a record high. The police said that driver's licenses and other identification documents made up the largest proportion, at about 830,000, while there was a noticeable increase in electronic equipment, including wireless earphones and e-cigarettes.