$100 million debt, Forbes magazine calculated the tower's net worth at $371 million, excluding the Trumps' three-story penthouse, which has a net floor area of . After Trump launched his 2016 presidential campaign at Trump Tower in 2015, the number of visits to the tower had risen drastically, with many of the visitors being supporters of Trump's candidacy. Stores in the atrium sold campaign memorabilia such as hats, with the proceeds going toward funding his campaign. The tower gained popularity among New York City tourists in 2016, especially after Trump was elected president. In 2017, the city ordered the removal of two unauthorized kiosks in Trump Tower selling Trump's merchandise. The New York Times reported in 2020 that rent from the building's commercial spaces had earned Trump $336 million from 2000 through the end of 2018, amounting to over $20 million per year. Wells Fargo & Co., the master servicer of the $100 million mortgage loan Trump took out in 2012, placed the tower on a debt watch list in September 2021 because its average occupancy had fallen to 78.9% from 85.9% at the end of 2020. Revenue was $33.7 million in 2020, $7.5 million in the first quarter of 2021. Tenants Commercial tenants Italian fashion retailer Gucci is the biggest commercial tenant, renting 48,667 sq. ft. along Fifth Avenue since 2007. According to Forbes magazine, their rent in 2019 was only $440 per square foot. According to the New York Times, Gucci renegotiated the lease in 2020 and received a reduction in rent for agreeing to extend the lease beyond 2026. The Trump Organization has its headquarters on the 25th and 26th floors. CONCACAF, the governing body of association football in North and Central America and the Caribbean, used to occupy the entire 17th floor. Qatar Airways, owned by the Qatari government, has rented commercial space in the tower since at least 2008, a fact that news media outlets noted when one of Trump's executive orders, EO 13769, suspended immigration from seven majority-Muslim countries, but not from Qatar. From 2008 to October 2019, the Industrial and Commercial Bank of China operated a bank branch with 100 employees on three rented floors of Trump Tower, for approximately $2 million a year. The bank rented 25,356 square feet, making it the third-largest tenant after Gucci and the Trump Corporation. It paid $95.48 per square foot in 2012. Forbes estimated that the