organised crime. This and other government actions effected under Putin's presidency have been criticized by many independent Russian media outlets and Western commentators as anti-democratic. In 2012, as proposed by Putin's successor, Dmitry Medvedev, the direct election of governors was re-introduced. During his first term in office, Putin opposed some of the Yeltsin-era business oligarchs, as well as his political opponents, resulting in the exile or imprisonment of such people as Boris Berezovsky, Vladimir Gusinsky, and Mikhail Khodorkovsky; other oligarchs such as Roman Abramovich and Arkady Rotenberg are friends and allies with Putin. Putin succeeded in codifying land law and tax law and promulgated new codes on labor, administrative, criminal, commercial and civil procedural law. Under Medvedev's presidency, Putin's government implemented some key reforms in the area of state security, the Russian police reform and the Russian military reform. Economic, industrial, and energy policies Sergey Guriyev, when talking about Putin's economic policy, divided it into four distinct periods: the "reform" years of his first term (1999–2003); the "statist" years of his second term (2004 – the first half of 2008); the world economic crisis and recovery (the second half of 2008–2013); and the Russo-Ukrainian War, Russia's growing isolation from the global economy, and stagnation (2014–present). In 2000, Putin launched the "Programme for the Socio-Economic Development of the Russian Federation for the Period 2000–2010", but it was abandoned in 2008 when it was 30% complete. Fueled by the 2000s commodities boom including record-high oil prices, under the Putin administration from 2000 to 2016, an increase in income in USD terms was 4.5 times. During Putin's first eight years in office, industry grew substantially, as did production, construction, real incomes, credit, and the middle class. A fund for oil revenue allowed Russia to repay all of the Soviet Union's debts by 2005. Russia joined the World Trade Organization on 22 August 2012. In 2006, Putin launched an industry consolidation programme to bring the main aircraft-producing companies under a single umbrella organization, the United Aircraft Corporation (UAC). In September 2020, the UAC general director announced that the UAC will receive the largest-ever post-Soviet government support package for the aircraft industry in order to pay and renegotiate the debt. In 2014, Putin signed a deal to supply China with 38 billion cubic meters of natural gas per year. Power of Siberia, which Putin has called the "world's biggest construction project", was launched in 2019