In what year was the album “MBLAQ 4th Mini Album ‘BLAQ%Ver.’” released by MBLAQ?

In what year was the album “MBLAQ 4th Mini Album ‘BLAQ%Ver.’” released by MBLAQ?: The album “MBLAQ 4th Mini Album ‘BLAQ%Ver.’” was released in 2012 by MBLAQ, featuring 4 tracks.
What is the most successful song from the album “MBLAQ 4th Mini Album ‘BLAQ%Ver.’” by MBLAQ?: “100%” is the biggest hit from the album “MBLAQ 4th Mini Album ‘BLAQ%Ver.’” by MBLAQ.

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