Explain one likely reason for the change in the UK household savings ratio from Q1 2021 to Q2 2021.
| Year | Quarter | Savings ratio (%) |
|---|---|---|
| 2020 | Q1 | 9.5 |
| 2020 | Q2 | 23.8 |
| 2020 | Q3 | 14.2 |
| 2020 | Q4 | 15.1 |
| 2021 | Q1 | 18.2 |
| 2021 | Q2 | 11.1 |
| 2021 | Q3 | 9.4 |
| 2021 | Q4 | 7.5 |
| 2022 | Q1 | 6.2 |
| 2022 | Q2 | 5.9 |
| 2022 | Q3 | 5.4 |
| 2022 | Q4 | 9.1 |