Sotomayor, who agreed 93% of the time. The highest rate of full agreement was between Ginsburg and Kagan (82% of the time), closely followed by Roberts and Alito, Ginsburg and Sotomayor, and Breyer and Kagan (81% of the time). The largest rate of disagreement was between Thomas and both Ginsburg and Sotomayor; Thomas disagreed with each of them 50% of the time. By the completion of the 2021 term, the percent of 6–3 decisions favoring the conservative majority had reached 30%, with the percent of unanimous cases having dropped to the same number. Facilities The Supreme Court first met on February 1, 1790, at the Merchants' Exchange Building in New York City. When Philadelphia became the capital, the court met briefly in Independence Hall before settling in Old City Hall from 1791 until 1800. After the government moved to Washington, D.C., the court occupied various spaces in the Capitol building until 1935, when it moved into its own purpose-built home. The four-story building was designed by Cass Gilbert in a classical style sympathetic to the surrounding buildings of the Capitol and Library of Congress, and is clad in marble. The building includes the courtroom, justices' chambers, an extensive law library, various meeting spaces, and auxiliary services including a gymnasium. The Supreme Court building is within the ambit of the Architect of the Capitol, but maintains its own Supreme Court Police, separate from the Capitol Police. Located across First Street from the United States Capitol at One First Street NE and Maryland Avenue, the building is open to the public from 9am to 4:30pm weekdays but closed on weekends and holidays. Visitors may not tour the actual courtroom unaccompanied. There is a cafeteria, a gift shop, exhibits, and a half-hour informational film. When the court is not in session, lectures about the courtroom are held hourly from 9:30am to 3:30pm and reservations are not necessary. When the court is in session the public may attend oral arguments, which are held twice each morning (and sometimes afternoons) on Mondays, Tuesdays, and Wednesdays in two-week intervals from October through late April, with breaks during December and February. Visitors are seated on a first-come first-served basis. One estimate is there are about 250 seats available. The number of open seats varies from case to case; for important cases, some visitors arrive the day before and wait through the night. From mid-May until the end