Graph for not supported items

[Blinkiz]

Having a large number of not supported items will effect performance of your Zabbix server. It can be time consuming to solve this. As an administrator it would be nice to have a graph that plots number of not supported items so I can measure over time my progress to solve majority of items having not supported state.
I do think this already exist but I can not currently find it in my system.

I would like to have a graph showing the number of not supported items. Is this possible?

[Semiadmin]

Zabbix internal: zabbix[items_unsupported]

[Blinkiz]

Thank you :-)