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| Company | Unit | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Apple Inc. | % | ... | ... | ... | ... | ... | 3.65 | 4.82 | 5.07 | 5.63 | 6.26 | ||||||
| Badger Meter | % | 2.82 | 2.69 | 2.63 | 2.56 | 2.80 | |||||||||||
| Broadcom | % | 15.5 | 20.6 | 18.1 | 18.7 | 21.4 | |||||||||||
| CalAmp | % | ... | ... | ... | ... | ... | 7.00 | 6.67 | 6.59 | 7.57 | 7.94 | ||||||
| Digi International | % | ... | ... | ... | ... | ... | 15.1 | 15.2 | 16.2 | 14.2 | 15.4 | ||||||
| Hubbell | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | |||||||
| Itron | % | ... | ... | ... | ... | ... | 8.62 | 8.36 | 8.39 | 8.75 | 8.08 | ||||||
| PTC | % | ... | ... | ... | ... | ... | 18.4 | 20.2 | 20.4 | 19.4 | 19.7 | ||||||
| Samsara | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 58.8 | ||
| Sensata Technologies | % | ... | 4.16 | 3.96 | 3.94 | 4.18 | 4.30 | ||||||||||
| Sierra Wireless | % | ... | ... | ... | ... | ... | 12.2 | 11.9 | 12.0 | 11.8 | 14.4 |
Helgi Library 
