The gadget that meets Kim’s need is the Issue Statistics gadget. This gadget displays the collection of issues returned from a filter, broken down by a field. Kim can configure the gadget to use her project as the filter, and the issue type as the field. The gadget will then show the following information for issues in her project:

the total count of all issues

the total count of each issue type

the distribution of each issue type as a percentage

a graphical chart display of that percentage

The other gadgets are not suitable because:

The Heat Map gadget displays issues from a project or filter, grouped by a statistic type, in a heat map format. Issues can be grouped by any statistic type (e.g. Status, Priority, Assignee, etc). However, this gadget does not show the total count of all issues, nor the distribution of each issue type as a percentage.

The Two Dimensional Filter Statistics gadget displays issues from a filter in a table format, where each cell shows the number of issues for a given combination of two statistics types (e.g. Status vs Priority, Assignee vs Issue Type, etc). This gadget does not show the total count of all issues, nor a graphical chart display of that percentage.

The Filter Results gadget displays the results of an issue filter on the dashboard. This gadget does not show any summary or breakdown of the issues by any field, nor a graphical chart display of that percentage.

The Issues in Progress gadget displays all issues that are in progress and assigned to the user viewing the dashboard. This gadget does not show any information about other issues or issue types in the project, nor a graphical chart display of that percentage.

References: Use dashboard gadgets, Gadgets for Jira applications