Show data table
| 1989 | 11.3B | 2002 | 30.3B | 2015 | 197B |
| 1990 | 9.93B | 2003 | 33.1B | 2016 | 199B |
| 1991 | 9.8B | 2004 | 37.9B | 2017 | 211B |
| 1992 | 12.2B | 2005 | 42.8B | 2018 | 233B |
| 1993 | 12.4B | 2006 | 51.5B | 2019 | 240B |
| 1994 | 9.87B | 2007 | 62.1B | 2020 | 258B |
| 1995 | 12.4B | 2008 | 78.8B | 2021 | 286B |
| 1996 | 14.3B | 2009 | 96.6B | 2022 | 292B |
| 1997 | 15.7B | 2010 | 106B | 2023 | 296B |
| 1998 | 17B | 2011 | 125B | 2024 | 312B |
| 1999 | 20.5B | 2012 | 145B | 2025 | 336B |
| 2000 | 22.2B | 2013 | 164B | | |
| 2001 | 26.6B | 2014 | 182B | | |
Show data table
| 1989 | 2.4% | 2002 | 2% | 2015 | 1.7% |
| 1990 | 2.5% | 2003 | 2% | 2016 | 1.7% |
| 1991 | 2.3% | 2004 | 1.9% | 2017 | 1.7% |
| 1992 | 2.5% | 2005 | 1.8% | 2018 | 1.6% |
| 1993 | 2% | 2006 | 1.8% | 2019 | 1.7% |
| 1994 | 1.7% | 2007 | 1.7% | 2020 | 1.7% |
| 1995 | 1.7% | 2008 | 1.7% | 2021 | 1.6% |
| 1996 | 1.6% | 2009 | 1.9% | 2022 | 1.6% |
| 1997 | 1.6% | 2010 | 1.7% | 2023 | 1.6% |
| 1998 | 1.6% | 2011 | 1.6% | 2024 | 1.7% |
| 1999 | 1.9% | 2012 | 1.7% | 2025 | 1.7% |
| 2000 | 1.8% | 2013 | 1.7% | | |
| 2001 | 2% | 2014 | 1.7% | | |