The area is one of the primary centers of the global diamond industry, as well as the premier center for jewelry shopping in the city. It is one of the largest diamond and jewelry districts in the United States, along with Jewelers' Row, Philadelphia and Los Angeles's Jewelry District, and it is the second oldest surviving jewelry district in the United States after Jewelers' Row in Philadelphia. Total receipts for the value of a single day's trade on the block average $400 million. An estimated 90% of diamonds in the United States enter through New York. There were some 3,500 independent businesses (cutting, polishing and sales) in the district in 2019. According to other sources, the district was home to more than 2,600 businesses in 2020, a majority of them were on the same block, many shop owners and managers of the district were Orthodox Jews. The wholesale business made up most of the $24.6 billion in annual sales in 2019; the industry employed 33,000 people, still predominantly Jews. Most businesses are located in booths at one of the 25 "exchanges" in the district. Commission based hawkers are also a common sight and they usually solicit business for stores located on the street level.