Table:
text: List of largest companies by revenue
List
List
Ranking Company Industry Revenue_USD_billions FY Capitalization_USD_billions Employees Listing Headquarters CEO_
6 BP Oil and gas $379 December 31, 2013 $89 83900 LSE: BP London Bob Dudley
7 Saudi Aramco Oil and gas $311 2012  54041 — Dhahran Khalid A. Al-Falih
8 Vitol Commodities $303 January 10, 2013  2800 — Rotterdam; Geneva Ian Taylor
9 State Grid Corporation of China Electric utility $290 2012  1564000 — Beijing Liu Zhenya
10 Samsung Conglomerate $268 December 31, 2014  427000 KRX: 005930; KRX: 005935 Samsung Town Lee Kun-hee
11 Volkswagen Group Automotive $254 December 31, 2012 $77 502000 ISIN: DE0007664005 Wolfsburg Martin Winterkorn
12 Chevron Oil and gas $242 December 31, 2012 $211 61000 NYSE: CVX San Ramon, California John Watson

Question: From list of largest companies by revenue, how many employees does vitol have?