Show data table
| 2009 | 37.1% | 2015 | 26.8% | 2021 | 25.6% |
| 2010 | 32.6% | 2016 | 28.3% | 2022 | 28.1% |
| 2011 | 27.1% | 2017 | 27.3% | 2023 | 27.9% |
| 2012 | 24.6% | 2018 | 25.7% | 2024 | 29.7% |
| 2013 | 28.7% | 2019 | 23.9% | | |
| 2014 | 29.9% | 2020 | 25.7% | | |
Show data table
| 2009 | 11.8B | 2015 | 14.5B | 2021 | 15B |
| 2010 | 11.8B | 2016 | 16.8B | 2022 | 18.1B |
| 2011 | 10.8B | 2017 | 15.8B | 2023 | 19.1B |
| 2012 | 11.6B | 2018 | 15B | 2024 | 17.6B |
| 2013 | 14B | 2019 | 14.6B | 2025 | 18.5B |
| 2014 | 15B | 2020 | 13.7B | | |
Show data table
| 2009 | 44.8% | 2015 | 31.4% | 2021 | 30.8% |
| 2010 | 34.8% | 2016 | 30.4% | 2022 | 29.1% |
| 2011 | 33.3% | 2017 | 30.1% | 2023 | 28.8% |
| 2012 | 30.9% | 2018 | 28.2% | 2024 | 32.7% |
| 2013 | 30.2% | 2019 | 28.3% | | |
| 2014 | 32.4% | 2020 | 33% | | |
Show data table
| 2009 | 14.2B | 2015 | 17.1B | 2021 | 18B |
| 2010 | 12.6B | 2016 | 18B | 2022 | 18.7B |
| 2011 | 13.3B | 2017 | 17.5B | 2023 | 19.7B |
| 2012 | 14.5B | 2018 | 16.5B | 2024 | 19.4B |
| 2013 | 14.7B | 2019 | 17.3B | 2025 | 18.8B |
| 2014 | 16.2B | 2020 | 17.7B | | |