percentage of tumblr domains that are gmails, from one of their login js files

tumblr-emails.txt

    b = [{
        name: "gmail.com",
        cost: 0,
        share: 30.2102985741
    }, {
        name: "yahoo.com",
        cost: 0,
        share: 26.013029172
    }, {
        name: "hotmail.com",
        cost: 1,
        share: 18.1002246857
    }, {
        name: "aol.com",
        cost: 6,
        share: 3.03687405106
    }, {
        name: "live.com",
        cost: 9,
        share: 2.06294942827
    }, {
        name: "hotmail.co.uk",
        cost: 10,
        share: 1.95604539045
    }, {
        name: "aim.com",
        cost: 10,
        share: 1.89339378918
    }, {
        name: "mail.com",
        cost: 17,
        share: 1.2102985741
    }, {
        name: "ymail.com",
        cost: 18,
        share: 1.0549753888
    }, {
        name: "msn.com",
        cost: 32,
        share: 0.609550330148
    }];