arch

var spanGroupData = [ {"timestamp": 1454313600, "group": [ {"author_id": 0, "token_count": 458}, ]}, {"timestamp": 1475305200, "group": [ {"author_id": 0, "token_count": 16}, ]}, {"timestamp": 1480579200, "group": [ {"author_id": 12, "token_count": 1}, ]}, {"timestamp": 1496300400, "group": [ {"author_id": 0, "token_count": 977}, ]}, {"timestamp": 1498892400, "group": [ {"author_id": 0, "token_count": 33}, ]}, {"timestamp": 1501570800, "group": [ {"author_id": 0, "token_count": 52}, ]}, {"timestamp": 1504249200, "group": [ {"author_id": 0, "token_count": 11}, ]}, {"timestamp": 1509519600, "group": [ {"author_id": 0, "token_count": 1}, ]}, {"timestamp": 1512115200, "group": [ {"author_id": 11, "token_count": 1}, ]}, {"timestamp": 1549008000, "group": [ {"author_id": 1, "token_count": 52}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 9, "token_count": 2}, ]}, {"timestamp": 1561964400, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1564642800, "group": [ {"author_id": 0, "token_count": 2}, ]}, {"timestamp": 1583049600, "group": [ {"author_id": 2, "token_count": 83}, {"author_id": 1, "token_count": 1}, {"author_id": 3, "token_count": 39}, ]}, {"timestamp": 1585724400, "group": [ {"author_id": 6, "token_count": 23}, {"author_id": 8, "token_count": 7}, {"author_id": 5, "token_count": 26}, {"author_id": 1, "token_count": 186}, ]}, {"timestamp": 1588316400, "group": [ {"author_id": 10, "token_count": 1}, ]}, {"timestamp": 1590994800, "group": [ {"author_id": 1, "token_count": 81}, ]}, {"timestamp": 1598943600, "group": [ {"author_id": 2, "token_count": 288}, {"author_id": 3, "token_count": 173}, ]}, {"timestamp": 1604214000, "group": [ {"author_id": 7, "token_count": 11}, {"author_id": 4, "token_count": 24}, ]}, {"timestamp": 1609488000, "group": [ {"author_id": 0, "token_count": 3}, ]}, {"timestamp": 1612166400, "group": [ {"author_id": 1, "token_count": 429}, ]}, {"timestamp": 1614585600, "group": [ {"author_id": 1, "token_count": 575}, ]}, {"timestamp": 1619852400, "group": [ {"author_id": 4, "token_count": 6}, ]}, {"timestamp": 1622530800, "group": [ {"author_id": 1, "token_count": 15}, ]}, ]