Gaza Strip President Hosni Mubarak resigned on 28 May 2011, Egypt permanently opened its border with the Gaza Strip to students, medical patients, and foreign passport holders. Following the 2013 Egyptian coup d'état, Egypt's military has destroyed most of the 1,200 tunnels which are used for smuggling food, weapons, and other goods to Gaza. After the August 2013 Rabaa Massacre in Egypt, the border crossing was closed 'indefinitely.' Israel has alternately restricted or allowed goods and people to cross the terrestrial border and handles vicariously the movement of goods into and out of Gaza by air and sea. Israel largely provides for
Gaza Strip settlements in Gaza, comprising 20% of the total territory. The economic growth rate from 1967 to 1982 averaged roughly 9.7 percent per annum, due in good part to expanded income from work opportunities inside Israel, which had a major utility for the latter by supplying the country with a large reserve of unskilled and semi-skilled manpower. Gaza's agricultural sector was adversely affected as one-third of the Strip was appropriated by Israel, competition for scarce water resources stiffened, and the lucrative cultivation of citrus declined with the advent of Israeli policies, such as prohibitions on planting new trees and taxation that