Question: When was the balcony surrounding the torch closed to public access?
About the article "Statue of Liberty", section "Abstract".

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The Statue of Liberty (Liberty Enlightening the World; French: "La Liberté éclairant le monde") is a colossal neoclassical sculpture on Liberty Island in the middle of New York Harbor, in Manhattan, New York City.
The statue, designed by Frédéric Auguste Bartholdi and dedicated on October 28, 1886, was a gift to the United States from the people of France.
The statue is of a robed female figure representing Libertas, the Roman goddess of freedom, who bears a torch and a "tabula ansata" (a tablet evoking the law) upon which is inscribed the date of the American Declaration of Independence, July 4, 1776.
A broken chain lies at her feet.
The statue is an icon of freedom and of the United States: a welcoming signal to immigrants arriving from abroad.
Bartholdi was inspired by French law professor and politician Édouard René de Laboulaye, who is said to have commented in 1865 that any monument raised to American independence would properly be a joint project of the French and American peoples.
Due to the troubled political situation in France, work on the statue did not commence until the early 1870s.
In 1875, Laboulaye proposed that the French finance the statue and the Americans provide the site and build the pedestal.
Bartholdi completed the head and the torch-bearing arm before the statue was fully designed, and these pieces were exhibited for publicity at international expositions.
The torch-bearing arm was displayed at the Centennial Exposition in Philadelphia, in 1876, and in New York's Madison Square Park from 1876 to 1882.
Fundraising proved difficult, especially for the Americans, and by 1885 work on the pedestal was threatened due to lack of funds.
Publisher Joseph Pulitzer of the "New York World" started a drive for donations to complete the project that attracted more than 120,000 contributors, most of whom gave less than a dollar.
The statue was constructed in France, shipped overseas in crates, and assembled on the completed pedestal on what was then called Bedloe's Island.
The statue's completion was marked by New York's first ticker-tape parade and a dedication ceremony presided over by President Grover Cleveland.
The statue was administered by the United States Lighthouse Board until 1901 and then by the Department of War; since 1933 it has been maintained by the National Park Service.
The statue was closed for renovation for much of 1938.
In the early 1980s, it was found to have deteriorated to such an extent that a major restoration was required.
While the statue was closed from 1984 to 1986, the torch and a large part of the internal structure were replaced.
After the September 11 attacks in 2001, it was closed for reasons of safety and security; the pedestal reopened in 2004 and the statue in 2009, with limits on the number of visitors allowed to ascend to the crown.
The statue, including the pedestal and base, was closed for a year until October 28, 2012, so that a secondary staircase and other safety features could be installed; Liberty Island remained open.
However, one day after the reopening, Liberty Island closed due to the effects of Hurricane Sandy; the statue and island opened again on July 4, 2013.
Public access to the balcony surrounding the torch has been barred for safety reasons since 1916.
Public access to the East Chop Light was closed after its automation in 1933.
For the first time in fifty-five years, Vineyard Environmental Research, Inst., opened the light to limited public access in 1988.
This public access was allowed after VERI made extensive restoration and safety alterations of the light's interior and exterior, including an elevated lighting room exterior balcony guardrail.
The extent of public access was determined after VERI held meetings with abutting property owners and the East Chop Association.
As a result, VERI allowed public access to the light every Sunday during the summer season, and on special occasions such as weddings and fundraisers.
This "Sunday's only" public access policy remains in place under the light's current management by the Martha's Vineyard Museum. 
The Fort de Maulde was closed to public access in 2009, due to the dangers of falling into pits in the darkness of its interior and from falling masonry.
Toxic waste from the tileworks was dumped in the fort until the 1980s.
Its subsidiary bunkers remain visible in the surrounding fields. 
 names.
Manufacturers names for their balcony designs often refer to the origin of the design, i.e.
Italian balcony, Spanish balcony, Mexican balcony, Ecuadorian balcony, etc.
They also refer to the shape and form of the pickets used for the balcony railings, i.e.
knuckle balcony, goose balcony, pot belly balcony, etc. 
Sometimes balconies are adapted for ceremonial purposes, e.g.
that of St. Peter's Basilica at Rome, when the newly elected pope gives his blessing "urbi et orbi" after the conclave.
Inside churches, balconies are sometimes provided for the singers, and in banqueting halls and the like for the musicians.
A unit with a regular balcony will have doors that open up onto a small patio with railings, a small Patio garden or Skyrise greenery.
A French balcony is actually a false balcony, with doors that open to a railing with a view of the courtyard or the surrounding scenery below.
In theatres, the "balcony" was formerly a stage-box, but the name is now usually confined to the part of the auditorium above the dress circle and below the gallery.