Lao PDR is the most heavily bombed country, per capita, in history. During the Second Indo-China war (1964-1975), more bombs were dropped on Lao PDR than on Japan and Germany combined during World War II. Today cluster sub-munitions and other Unexploded Ordnance (UXO) continue to kill and injure around 50 people a year. A quarter of all villages are contaminated with UXO. The presence of such UXO negatively affects the socioeconomic development of the country, preventing access to agricultural land and increasing the costs, through land clearance, of all development projects, including building schools and roads. In 2010, Lao PDR introduced a localized MDG9 to reduce the impact of UXO.