| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.7 | -4.9 | 5.6 | 2.0 | 0.1 | -1.8 | 7.6 | -0.5 | 7.4 | -0.7 | +15.7% | ||
| 2025 | 0.6 | -6.2 | 2.1 | 1.5 | 5.3 | -3.0 | 2.2 | 0.6 | -3.8 | -1.3 | -0.1 | 3.8 | +1.1% |
| 2024 | 4.9 | 3.8 | -0.6 | 10.1 | -2.9 | -3.2 | -3.0 | -4.0 | -1.5 | 8.2 | -2.4 | 9.6 | +19.1% |
| 2023 | -7.9 | 7.4 | -6.2 | -0.3 | 4.8 | -0.0 | 4.3 | 4.6 | 12.1 | 6.6 | -10.1 | -10.9 | +1.1% |
| 2022 | 10.1 | 4.0 | 12.2 | 20.4 | 3.7 | 2.0 | -4.6 | 9.4 | 15.7 | 11.7 | -9.1 | 4.0 | +108.7% |
| 2021 | 12.9 | 17.4 | 11.1 | -5.1 | -1.7 | -8.7 | -8.1 | 1.6 | 8.6 | -7.2 | -8.0 | 6.6 | +15.7% |
| 2020 | -15.7 | -17.1 | -19.2 | -6.3 | 11.1 | 0.1 | -15.0 | 21.2 | -0.1 | 13.0 | -4.1 | 4.6 | −31.1% |
| 2019 | -0.5 | 2.6 | -8.5 | 4.2 | -12.1 | -2.1 | -0.0 | -22.0 | 7.7 | 2.6 | 1.2 | 8.5 | −20.9% |
| 2018 | 7.4 | 6.3 | -5.0 | 4.2 | -3.6 | -0.1 | 3.4 | -2.4 | 6.2 | 6.4 | -2.7 | -8.8 | +10.3% |
| 2017 | -0.4 | -2.7 | 1.7 | -2.2 | -3.2 | -0.6 | 2.0 | -6.0 | 4.8 | 0.6 | -1.5 | -3.3 | −10.6% |
| 2016 | -8.5 | -5.2 | 0.2 | 1.8 | -1.4 | -12.2 | -5.4 | 2.2 | 4.7 | 10.8 | 16.5 | 1.5 | +1.6% |
| 2015 | -18.1 | 15.5 | -2.2 | 8.2 | 3.4 | 9.0 | -5.7 | 0.1 | -1.7 | 1.8 | 1.9 | 0.8 | +9.7% |
| 2014 | -8.6 | -0.8 | -0.9 | -2.9 | -4.2 | 0.7 | -0.8 | -7.0 | 4.3 | -4.7 | -4.9 | -5.5 | −30.7% |
| 2013 | 7.4 | -2.4 | 0.3 | -7.1 | 14.7 | 5.7 | 4.2 | 0.8 | 0.3 | -1.5 | 4.9 | 4.1 | +34.3% |
| 2012 | 1.6 | 5.2 | 8.4 | -7.1 | -14.1 | 3.4 | -6.7 | 4.2 | 5.6 | 0.6 | -2.0 | 5.7 | +2.2% |
| 2011 | 4.8 | -1.8 | 0.4 | -2.3 | -4.3 | 3.9 | -5.7 | -13.1 | -18.7 | 9.5 | -4.3 | -5.6 | −33.8% |
| 2010 | -2.8 | 0.4 | 4.1 | -4.0 | -6.9 | -7.2 | 1.7 | -11.2 | 4.4 | 8.5 | 2.6 | 6.3 | −6.0% |
| 2009 | 33.9 | 3.3 | -4.3 | 13.6 | 7.3 | -0.6 | 0.0 | -3.0 | -3.2 | 4.6 | -1.0 | 10.7 | +72.5% |
| 2008 | -2.4 | 1.5 | -2.6 | 4.4 | 4.7 | -3.7 | 1.6 | -4.1 | -2.4 | 1.5 | -20.2 | -22.8 | −39.7% |
| 2007 | 2.2 | -5.2 | 3.8 | -0.6 | 4.0 | 2.3 | -4.0 | -1.8 | 0.0 | -1.7 | -7.3 | 1.3 | −7.5% |