By the end of the 2010 climbing season, there had been 5,104 ascents to the summit by about 3,142 individuals, with 77% of these ascents being accomplished since 2000. The summit was achieved in 7 of the 22 years from 1953 to 1974 and was not missed between 1975 and 2014. In 2007, the record number of 633 ascents was recorded, by 350 climbers and 253 sherpas.