Explain one likely reason for the change in the household savings ratio in Novaria from Year 2 Q1 to Year 2 Q2.
| Year | Quarter | Savings ratio (%) |
|---|---|---|
| Year 1 | Q1 | 5.4 |
| Year 1 | Q2 | 5.2 |
| Year 1 | Q3 | 4.8 |
| Year 1 | Q4 | 4.2 |
| Year 2 | Q1 | 7.1 |
| Year 2 | Q2 | 11.5 |
| Year 2 | Q3 | 12.8 |
| Year 2 | Q4 | 9.6 |
