Annual Data | Millions of US $ except per share data
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
| $-13.39 | $-12.21 | $-12.03 | $-10.42 | $-7.89 | $-6.38 | $-6.22 | $-5.70 | $-7.31 | $-4.96 | $-6.98 | $-13.44 | $-4.89 | $-8.11 |
| $0.34 | $0.36 | $0.24 | $0.15 | $0.04 | $0.06 | $0.15 | $0.28 | $0.25 | $0.56 | $0.31 | $0.88 | $0.60 | $2.62 |
| $5.31 | $1.24 | $1.22 | $0.75 | $0.78 | $1.24 | $1.34 | $1.80 | $3.09 | $0.20 | $3.54 | $10.17 | $1.24 | $3.02 |
| $5.65 | $1.60 | $1.46 | $0.90 | $0.82 | $1.30 | $1.49 | $2.08 | $3.34 | $0.76 | $3.85 | $11.05 | $1.84 | $5.63 |
| $0 | $0 | $0.13 | $0.02 | $0.06 | $-0.21 | $0.07 | $-0.07 | $0.20 | $-0.01 | $-0.10 | $0.11 | $0.19 | $-0.40 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0.15 | $0.32 | $0.11 | $-0.37 | $-0.09 | $0.11 | $-0.03 | $-0.11 | $-0.06 | $-0.08 | $-0.71 | $0.09 | $0.01 | $0.12 |
| $0.09 | $0.48 | $0.07 | $-0.25 | $0.31 | $-0.12 | $0.44 | $-0.29 | $0.46 | $-0.13 | $-1.92 | $0.25 | $0.95 | $0.64 |
| $-7.65 | $-10.13 | $-10.51 | $-9.77 | $-6.76 | $-5.20 | $-4.29 | $-3.91 | $-3.51 | $-4.33 | $-5.05 | $-2.14 | $-2.10 | $-1.84 |
| $0 | $-0.25 | $-0.94 | $-0.35 | $-0.06 | $-0.15 | $0 | $-0.02 | $-0.02 | $-0.01 | $0 | $-0.10 | $0 | $0.00 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $-0.25 | $-0.94 | $-0.35 | $-0.06 | $-0.15 | $0 | $-0.02 | $-0.02 | $-0.01 | $0 | $-0.10 | $0 | $0.00 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $0 | $0 | $0 | $0 | $0 | $-0.99 | $0 | $0 | $0.58 | $0 | $-0.11 | $0.18 | $-0.03 | $1.47 |
| $0 | $0 | $0 | $0 | $0 | $-0.99 | $0 | $0 | $0.58 | $0 | $-0.11 | $0.18 | $-0.03 | $1.47 |
| $7.91 | $1.32 | $8.93 | $17.46 | $7.26 | $12.16 | $1.34 | $9.63 | $2.76 | $5.61 | $4.76 | $3.18 | $2.11 | $0.30 |
| $7.91 | $1.32 | $8.93 | $17.46 | $7.26 | $12.16 | $1.34 | $9.63 | $2.76 | $5.61 | $4.76 | $3.18 | $2.11 | $0.30 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| $-0.18 | $-0.03 | $-0.01 | $-0.09 | $-0.13 | $-0.04 | $-0.19 | $-0.28 | $-0.38 | $0 | $0 | $0 | $0 | $0.20 |
| $7.73 | $1.29 | $8.91 | $17.37 | $7.13 | $11.13 | $1.15 | $9.35 | $2.96 | $5.61 | $4.65 | $3.36 | $2.08 | $1.97 |
| $0.07 | $-9.09 | $-2.54 | $7.25 | $0.30 | $5.78 | $-3.15 | $5.41 | $-0.56 | $1.27 | $-0.39 | $1.13 | $-0.02 | $0.13 |
| $0.42 | $1.22 | $1.05 | $0.75 | $0.78 | $0.84 | $1.32 | $1.26 | $2.19 | $0.20 | $0.42 | $0.61 | $0.77 | $0.76 |
| $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |