In hopes of raising more funds for arts education, some parents in the Kingwood School District publicized the current per-student arts education budget.
| Year | Per-student budget |
|------|---------------------|
| 2018 | [tex]$28 |
| 2019 | $[/tex]28 |
| 2020 | [tex]$33 |
| 2021 | $[/tex]31 |
| 2022 | [tex]$38 |
According to the table, what was the rate of change between 2018 and 2019?
$[/tex]\square[tex]$ $[/tex]\[tex]$[/tex] per year