Last year, however, one person returned for about every two who came, the ministry reported.
But these ministries will report to Iraq's new prime minister.
The ministry later reported, without giving details, that several people on board had been injured.
Three rebels, two army troops and one civilian were killed, the ministry reported.
The foreign ministry reported that he had been "receiving treatment over the past week for an undisclosed illness."
The campaign has had some success: the ministry reported a decline in the infected population from 26 percent to 15 percent between 1975 and 1990.
The Ministry of Justice reported two suspended sentences in 2009.
Reserves at the end of March totaled $58.39 billion, up $6.66 billion from a month before, the ministry reported.
About 200,000 people are homeless, the ministry reported.
All ministries ultimately report to the Head of State.