Aggregate array

gistfile1.txt

[
    {
        "_id" : "Philippines Infrastructure",
        "total" : 3400,
        "count" : 1
    },
    {
        "_id" : "Philippines Urgent",
        "total" : 1100,
        "count" : 1
    },
    {
        "_id" : "Urgent Operational Needs",
        "total" : 23400,
        "count" : 1
    },
    {
        "_id" : "Name Here",
        "total" : 103,
        "count" : 1
    },
    {
        "_id" : "Where Most Needed",
        "total" : 112382,
        "count" : 39
    }
]