Question: 1991 Dakar Rally also known as the 1991 Paris–Dakar Rally was the 13th running of the Dakar Rally event won by 1981 world rally champion, Ari Vatanen, who since 2013 has been the President of  what union?

Context paragraphs:
1987 Paris–Dakar Rally: 1987 Dakar Rally also known as the 1987 Paris–Dakar Rally was the 9th running of the Dakar Rally event.  The rally was won by 1981 world rally champion, Ari Vatanen.  Cyril Neveu won his fifth motorcycle title after Hubert Auriol broke both ankles in a fall and retired.

1993 Paris–Dakar Rally: 1993 Dakar Rally also known as the 1993 Paris–Dakar Rally was the 15th running of the Dakar Rally event.  154 competitors started the rally, which returned to its original route.  The rally was won by Bruno Saby and Dominique Seriyes ; Stephane Peterhansel won the motorcycle class for the third time.

2002 Arras–Madrid–Dakar Rally: The 2002 Dakar Rally, also known as the 2002 Arras–Madrid–Dakar Rally was the 24th running of the Dakar Rally event.  The format of the rally was revised for 2002 with the introduction of two-day stages and two stages without the use of navigation aids.  The race started in Arras in northern France on 28 December 2001 and finished at Dakar in Senegal on 13 January 2002.  The 1999 and 2000 winner, Jean-Louis Schlesser, switched from a petrol powered vehicle to a diesel powered one in a bid to make the vehicle lighter However, he was forced to retire from the rally during the sixth stage from Er-Rachidia to Ouarzazate in Morocco while lying 11th overall when his vehicle caught fire.  Japanese driver Hiroshi Masuoka took the lead at the sixth stage, and went on to win the rally.  The motorcycle category was won by Fabrizio Meoni for the second successive year.

1988 Paris–Dakar Rally: 1988 Dakar Rally also known as the 1988 Paris–Dakar Rally was the 10th running of the Dakar Rally event.  311 cars, 183 motorcycles, and 109 trucks started the rally.  The rally was won by Juha Kankkunen; the motorcycle category was won by Edi Orioli, the truck category was won by Karel Loprais on a Tatra 815.  The event was marred by the death of six people, three participants, a mother and child killed in Mauritania when a camera car ran into a group of spectators and a 10-year-old girl killed crossing the road in Mali.

1989 Paris–Dakar Rally: 1989 Dakar Rally also known as the 1989 Paris–Dakar Rally was the 11th running of the Dakar Rally event.  The course went through Libya for the first time.  A record 209 of the 473 competitors completed the rally.  The result of the rally was controversially decided by Peugeot Talbot Sport boss Jean Todt who decided the result on the toss of a coin.  The rally was won by 1981 world rally champion, Ari Vatanen.  The motorcycle class was won by Gilles Lalay.

1991 Paris–Dakar Rally: 1991 Dakar Rally also known as the 1991 Paris–Dakar Rally was the 13th running of the Dakar Rally event.  The rally was won by 1981 world rally champion, Ari Vatanen, for the third successive time and for the fourth time in five years.  Stephane Peterhansel won the motorcycle category.

2001 Paris–Dakar Rally: The 2001 Dakar Rally, also known as the 2001 Paris–Dakar Rally, was the 23rd running of the Dakar Rally event.  The format was revised to reduce the amount of airborne assistance to competitors in favour of assistance vehicles.  The 2001 rally was 6600 miles long and began in Paris, France, on New Year's Day, passing through Spain, Morocco, Mauritania, Mali before finishing at Dakar in Senegal.  Jean-Louis Schlesser won the penultimate stage of the rally to take the lead but was penalised one hour for unsportsmanlike conduct.  The rally was won by German Jutta Kleinschmidt, who became the first woman to win the event.  The motorcycle class of the rally was won by Italian Fabrizio Meoni, with Karel Loprais winning the truck class.

1997 Paris–Dakar Rally: 1997 Dakar Rally also known as the 1997 Paris–Dakar Rally was the 19th running of the Dakar Rally event.  The rally started and finished in Dakar, taking in a loop including Niger and the Ténéré desert.  Jutta Kleinschmidt became the first woman to win a stage of the Dakar Rally.  Japanese driver, Kenjiro Shinozuka, won the car class and Stephane Peterhansel won his fifth motorcycle title.

1990 Paris–Dakar Rally: 1990 Dakar Rally also known as the 1990 Paris–Dakar Rally was the 12th running of the Dakar Rally event.  465 competitors started from La Défense.  The rally was won by 1981 world rally champion, Ari Vatanen, for the third time in four years.  The motorcycle class was won by Edi Orioli.

Ari Vatanen: Ari Pieti Uolevi Vatanen (   ) (born 27 April 1952) is a Finnish rally driver turned politician and a Member of the European Parliament (MEP) from 1999 to 2009.  Vatanen won the World Rally Championship drivers' title in 1981 and the Paris Dakar Rally four times.  Since 2013 Vatanen has been the President of the Estonian Autosport Union.

Supporting paragraphs: 1991 Paris–Dakar Rally Ari Vatanen
Answer: Estonian Autosport Union