Union of Moderate Parties (UMP) won the 1991 election, but not with enough seats to form a majority. A coalition was thus formed with Lini's NUP, with the UMP's Maxime Carlot Korman becoming Prime Minister. Since the 1991 general election, Vanuatuan politics have been unstable with a series of fractious coalition governments and the use of no confidence votes resulting in frequent changes of prime ministers. However, the democratic system as a whole has been maintained and Vanuatu remains a peaceful and reasonably prosperous state. Throughout most of the 1990s the UMP were in power, the prime ministership switching between UMP rivals Korman and Serge Vohor, and the UMP instituting a more free market approach to the economy, cutting the public sector, improving opportunities for Francophone Ni-Vanuatu and renewing ties with France. The government struggled however with splits within their NUP coalition partner and a series of strikes within the Civil Service in 1993–4, the latter dealt with by a wave of firings. Financial scandals dogged both Korman and Vohor, with the latter implicated in a scheme to sell Vanuatu passports to foreigners. In 1996, Vohor and President Jean-Marie Léyé were briefly abducted by the Vanuatu Mobile Force over a pay dispute and later released unharmed. A riot occurred in Port Vila in 1998 when savers attempted to withdraw funds from the Vanuatu National Provident Fund following allegations of financial impropriety, prompting the government to declare a brief state of emergency. A Comprehensive Reform Program was enacted in the 1998 with the aim of improving economic performance and cracking down on government corruption. At the 1998 Vanuatuan general election the UMP were unseated by the VP under Donald Kalpokas. However Kalpokas lasted only a year, resigning when threatened with a no confidence vote, being replaced by Barak Sopé of the MPP in 1999, who himself was unseated in a confidence vote in 2001. Despite the political uncertainty Vanuatu's economy continued to grow in this period, fuelled by high demand for Vanuatu beef, tourism, remittances from foreign workers, and large aid packages from the Asian Development Bank (in 1997) and the US Millennium Challenge fund (in 2005). Vanuatu was removed from the OECD list of 'uncooperative tax havens' in 2003 and joined the World Trade Organization in 2011. Edward Natapei of the VP became Prime Minister in 2001 and went on to win the 2002 Vanuatuan general election. The 2004 Vanuatuan