If the filters are applied on two seperate column then it will create a unique combination between each category.
Below Table is equivalent to filter applied on Year column ( 2007 & 2008 ) and Month column ( January & February ) Individually.
| Year | Month |
|---|---|
| 2007 | January |
| 2007 | February |
| 2008 | January |
| 2008 | February |