Total COVID-19 tests performed by country

[{"date": "2019-10-14", "value": 0}, {"date": "2019-10-21", "value": 0}, {"date": "2019-10-28", "value": 0}, {"date": "2019-11-04", "value": 0}, {"date": "2019-11-11", "value": 0}, {"date": "2019-11-18", "value": 0}, {"date": "2019-11-25", "value": 0}, {"date": "2019-12-02", "value": 0}, {"date": "2019-12-09", "value": 0}, {"date": "2019-12-16", "value": 0}, {"date": "2019-12-23", "value": 0}, {"date": "2019-12-30", "value": 0}, {"date": "2020-01-06", "value": 0}, {"date": "2020-01-13", "value": 0}, {"date": "2020-01-20", "value": 0}, {"date": "2020-01-27", "value": 0}, {"date": "2020-02-03", "value": 0}, {"date": "2020-02-10", "value": 0}, {"date": "2020-02-17", "value": 0}, {"date": "2020-02-24", "value": 0}, {"date": "2020-03-02", "value": 0}, {"date": "2020-03-09", "value": 0}, {"date": "2020-03-16", "value": 0}, {"date": "2020-03-23", "value": 153}, {"date": "2020-03-30", "value": 400}]