| 2025 | 1.37 national currency per US$ | 1.72 national currency per US$ | 1.44 national currency per US$ | 1.55 national currency per US$ | 0.68 national currency per US$ | 0.76 national currency per US$ |
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| 2024 | 1.35 national currency per US$ | 1.65 national currency per US$ | 1.4 national currency per US$ | 1.52 national currency per US$ | 0.66 national currency per US$ | 0.78 national currency per US$ |
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| 2023 | 1.34 national currency per US$ | 1.63 national currency per US$ | 1.38 national currency per US$ | 1.51 national currency per US$ | 0.65 national currency per US$ | 0.8 national currency per US$ |
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| 2022 | 1.33 national currency per US$ | 1.58 national currency per US$ | 1.41 national currency per US$ | 1.44 national currency per US$ | 0.67 national currency per US$ | 0.81 national currency per US$ |
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| 2021 | 1.39 national currency per US$ | 1.41 national currency per US$ | 1.46 national currency per US$ | 1.33 national currency per US$ | 0.71 national currency per US$ | 0.73 national currency per US$ |
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| 2020 | 1.38 national currency per US$ | 1.54 national currency per US$ | 1.5 national currency per US$ | 1.45 national currency per US$ | 0.71 national currency per US$ | 0.78 national currency per US$ |
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| 2019 | 1.4 national currency per US$ | 1.52 national currency per US$ | 1.53 national currency per US$ | 1.44 national currency per US$ | 0.73 national currency per US$ | 0.78 national currency per US$ |
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| 2018 | 1.44 national currency per US$ | 1.45 national currency per US$ | 1.51 national currency per US$ | 1.34 national currency per US$ | 0.75 national currency per US$ | 0.75 national currency per US$ |
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| 2017 | 1.41 national currency per US$ | 1.41 national currency per US$ | 1.49 national currency per US$ | 1.3 national currency per US$ | 0.75 national currency per US$ | 0.78 national currency per US$ |
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| 2016 | 1.43 national currency per US$ | 1.44 national currency per US$ | 1.46 national currency per US$ | 1.35 national currency per US$ | 0.75 national currency per US$ | 0.74 national currency per US$ |
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