Subcommands:
/chart server disconnects
/chart server logins
/chart server newplayers
/chart server starts
/chart server stops
/chart server vault_eco_total
/chart player break <player> <block>
/chart player craft <player> <item>
/chart player deaths <player>
/chart player disconnects <player>
/chart player kill <player> <entity>
/chart player logins <player>
/chart player place <player> <block>
/chart player vault_balance <player>
*<block> the block name from the Material enum (e.g. STONE)
*<item> any name from the Material enum (e.g. ANVIL)
*<entity> any entity name (e.g. CREEPER)
*<player> any player's name (e.g. MediumDifficulty)