Show data table
| 2009 | 29.5% | 2015 | 40.3% | 2021 | 40.3% |
| 2010 | 27.9% | 2016 | 45.9% | 2022 | 38.3% |
| 2011 | 25.7% | 2017 | 48% | 2023 | 35.6% |
| 2012 | 25.1% | 2018 | 47.5% | 2024 | 34% |
| 2013 | 24.6% | 2019 | 41.1% | 2025 | 32.1% |
| 2014 | 26.9% | 2020 | 42.1% | 2026 | 29.6% |
Show data table
| 2009 | 74.8B | 2015 | 173B | 2021 | 243B |
| 2010 | 76.5B | 2016 | 213B | 2022 | 242B |
| 2011 | 79.4B | 2017 | 236B | 2023 | 247B |
| 2012 | 84.7B | 2018 | 246B | 2024 | 251B |
| 2013 | 89.3B | 2019 | 226B | 2025 | 250B |
| 2014 | 106B | 2020 | 235B | 2026 | 249B |
Show data table
| 2009 | 28% | 2015 | 38.3% | 2021 | 40.2% |
| 2010 | 27% | 2016 | 43.9% | 2022 | 38.2% |
| 2011 | 25.1% | 2017 | 46.1% | 2023 | 35.6% |
| 2012 | 25% | 2018 | 46.4% | 2024 | 34% |
| 2013 | 22.7% | 2019 | 40.9% | 2025 | 32.1% |
| 2014 | 24.4% | 2020 | 40.8% | 2026 | 29.6% |
Show data table
| 2009 | 71B | 2015 | 165B | 2021 | 242B |
| 2010 | 74.2B | 2016 | 203B | 2022 | 242B |
| 2011 | 77.5B | 2017 | 226B | 2023 | 247B |
| 2012 | 84.6B | 2018 | 240B | 2024 | 251B |
| 2013 | 82.4B | 2019 | 225B | 2025 | 250B |
| 2014 | 96.3B | 2020 | 228B | 2026 | 249B |