{"size_download":%{size_download},
"size_header":%{size_header},
"size_request":%{size_request},
"size_upload":%{size_upload},
"speed_download":%{speed_download},
"speed_upload":%{speed_upload},
"time_appconnect":%{time_appconnect},
"time_connect":%{time_connect},
"time_namelookup":%{time_namelookup},
"time_pretransfer":%{time_pretransfer},
"time_redirect":%{time_redirect},
"time_starttransfer":%{time_starttransfer},
"time_total":%{time_total}}
