array(9) {
  ["monthly_annual"]=>
  string(7) "monthly"
  ["export"]=>
  int(1)
  ["import"]=>
  int(1)
  ["nettrade"]=>
  int(1)
  ["reporter"]=>
  string(5) "China"
  ["tradingpartner"]=>
  string(3) "USA"
  ["reportingcountry"]=>
  string(5) "China"
  ["periodFrom"]=>
  object(DateTime)#2338 (3) {
    ["date"]=>
    string(26) "2020-01-05 07:06:44.000000"
    ["timezone_type"]=>
    int(3)
    ["timezone"]=>
    string(3) "UTC"
  }
  ["periodTo"]=>
  object(DateTime)#2345 (3) {
    ["date"]=>
    string(26) "2020-12-05 07:06:44.000000"
    ["timezone_type"]=>
    int(3)
    ["timezone"]=>
    string(3) "UTC"
  }
}