2010: 1
2009: 12
2008: 12
2007: 1
2006: 1
2005: 1
Array
(
    [2010] => 6
    [2009] => 15
    [2008] => 22
    [2007] => 3
    [2006] => 1
    [2005] => 1
)

YEAR: 10
MONTH: 03