11: Number of entries for the first U.S. Open at Newport (R.I.) Golf Club
131: Number of entries in 1912, the first year entries exceeded 100
319: Number of entries in 1924, the first year of sectional qualifying
854: Increase in number of entries from 2012 to 2013
1,064: Number of entries in 1928 (Olympia Fields), the first year entries exceeded 1,000
1,088: Increase in number of entries from 1996 to 1997, the largest year-over-year leap
2,132: Number of entries in 1958 (Southern Hills), the first year entries exceeded 2,000
3,007: Number of entries in 1968 (Oak Hill), the first year entries exceeded 3,000
4,279: Number of entries in 1971 (Merion), the first year entries exceeded 4,000
5,255: Number of entries in 1982 (Pebble Beach), the first year entries exceeded 5,000
6,198: Number of entries in 1990 (Medinah), the first year entries exceeded 6,000
7,013: Number of entries in 1997 (Congressional), the first year entries exceeded 7,000
8,455: Number of entries in 2000 (Pebble Beach), the first year entries exceeded 8,000
9,048: Number of entries in 2005 (Pinehurst), the first year entries exceeded 9,000
9,860: Number of entries in 2013 (Merion), a U.S. Open record