add_time  |   state   | count 
------------+-----------+-------
 2021-04-01 | collected |     2
 2021-03-05 | reacting  |    16
 2021-02-19 | reacting  |    22
 2021-06-24 | reacting  |    15
 2021-03-22 | collected |     1
 2021-02-03 | reacting  |    17
 2021-06-02 | reacting  |    15
 2021-05-26 | reacting  |    16
 2021-01-20 | reacting  |    44
 2021-02-26 | reacting  |    16
 2021-05-22 | reacting  |    21
(11 rows)