Table 1: UK Real Gross Domestic Product (GDP) index and total employment index
| Quarter | Real GDP Index | Total Employment Index |
|---|---|---|
| Q1 2021 | 100 | 100 |
| Q3 2021 | 105 | 104 |
| Q1 2022 | 109 | 106 |
| Q3 2022 | 114 | 109 |
| Q1 2023 | 120 | 113 |
| Q3 2023 | 126 | 117 |
Using the data in Table 1, calculate the percentage change in the total employment index between Q3 2021 and Q3 2023.