The immigration reform that Fox sought included a guest worker plan. Fox said, "The best thing that can happen to both our countries is to have an orderly flow, a controlled flow, of migration to the United States". This reform was supported by President Bush and approved by the U.S. Senate, however, the bill was rejected by the House of Representatives. According to the Washington Post, the hopes were complicated by the recent approval of the SBI (Secure Border Initiative), a bill that includes building a triple fence between the U.S. and Mexico. During Fox's presidency the net migration rate in Mexico increased 152% from −2.84 migrants per 1,000 inhabitants to −4.32; in the same period, population growth decreased 35% from 1.57% to 1.16%. Fox, who was said to be "proud" of Mexican immigrants in the U.S. has acknowledged the importance of remittances by both legal and illegal Mexican workers in the U.S. (now the #1 source of revenue for the country). During the country's tenure as a rotating member of the UN Security Council, Mexico did not support the U.S-led 2003 invasion of Iraq, Peru On November 18, 2003, the U.S. Trade Representative, Robert Zoellick, notified Congress of the intention of the Bush administration to initiate negotiations for a free trade agreement with the countries involved in the Andean trade act. Negotiations started without Bolivia in May 2004, however, as each of the three remaining Andean countries decided to pursue bilateral agreements with the United States. After 13 rounds of negotiations, Peru and the United States concluded an agreement on December 7, 2005. Alfredo Ferrero, Peruvian Minister of Foreign Trade and Tourism, and the U.S. Trade Representative Rob Portman signed the deal on April 12, 2006, in Washington, D.C., in the presence of Peruvian President Alejandro Toledo. The Congress of Peru debated the agreement for six hours during the night of June 27, 2006, and ratified it in the early hours of the next day. The vote was 79–14, with seven abstentions. The U.S. House of Representatives approved the agreement on November 8, 2007, with a 285–132 vote. The U.S. Senate approved the agreement on December 4, 2007, with a 77–18 vote. The implementation bills gained wide support from the Republican Party (176–16 in the House, 47–1 in the Senate) and split backing from the Democratic Party (109–116 and 29–17). On January 16, 2009, Bush signed a proclamation To