Days spent includes estimated time spent in Dropped table

[dustinvtran]

Like the to watch/to play table, it's probably better to omit the Dropped table altogether when counting the total time spent. (i.e., a lower bound)

[ghost]

c05c64114a015fa6a3b86d8b6b07c1e9561e16b4

Note: this makes the Dropped table itself claim 0 days spent in its statistics section.