MANILA, Jan 18 (Reuters) - The Philippines is aiming to triple pork imports this year, the agriculture minister said on Monday, after domestic prices jumped more than 50% from a year earlier as African swine fever decimated hog populations.The Southeast Asian country, the world's seventh-biggest pork importer before local demand fell due to the pandemic, plans to lift purchases to 162,000 tonnes, Agriculture Secretary William Dar told a media briefing.The Philippines mainly imports pork from Canada, the United States, France, the Netherlands, and Spain.