Energy policy of Russia and in a few cases explicit political demands are evident. Starting 1 January 2007 Gazprom increased the price of natural gas to Azerbaijan from US$110 to $235 per thousand cubic metres. (At the time, Gazprom charged the EU US$250.) Azerbaijan refused to pay this price and the gas supply to Azerbaijan stopped. On its side, Azerbaijan stopped oil exports to and via Russia. A year earlier, pro-Russian Armenia was hit with the same 100% price increase as Western-oriented Georgia, Vladimir Socor has observed. The Russia-Belarus energy dispute began when Russian state-owned gas supplier Gazprom demanded an increase in gas prices
Gazprom of Romania's, 36 percent of Germany's, 27 percent of Italy's, and 25 percent of France's gas. The European Union receives about 25 percent of its gas supply from Gazprom. In 2014, Europe was the source of 40% of Gazprom's revenue. The proportion of Europe’s gas bought in the spot market rose from 15 percent in 2008 to 44 percent in 2012. In September 2013, during the G20 summit, Gazprom signed an agreement with CNPC that the Henry Hub index would not be used to settle prices for their trades. On 21 May 2014, Putin met with Xi Jinping and negotiated