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| Company | Unit | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | 2027 |
| Apple Inc. | % | 21.4 | 20.1 | 16.3 | 11.5 | 9.19 | |||||||||
| Badger Meter | % | ... | ... | 4.49 | 5.43 | 4.40 | 6.75 | 5.56 | ... | ||||||
| Broadcom | % | ... | ... | 29.0 | 30.6 | 27.4 | 28.4 | 30.5 | ... | ... | |||||
| CalAmp | % | ... | ... | ... | ... | ... | ... | ... | 9.05 | 4.89 | ... | ... | |||
| Digi International | % | ... | ... | ... | ... | ... | ... | ... | 4.67 | 7.62 | ... | ... | |||
| Hubbell | % | ... | ... | 5.18 | 6.90 | 3.78 | 3.86 | 4.76 | ... | ||||||
| Itron | % | ... | ... | ... | ... | ... | ... | ... | -2.04 | -1.27 | |||||
| PTC | % | ... | ... | ... | ... | ... | ... | ... | 4.18 | 4.64 | ... | ||||
| Sensata Technologies | % | ... | ... | ... | 9.49 | 11.8 | 7.06 | 7.66 | 7.68 | ... | |||||
| Sierra Wireless | % | ... | ... | ... | ... | ... | ... | ... | 3.57 | 5.69 | ... | ... |
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