Show data table
| 1980 | 44.4% | 1996 | 16.6% | 2012 | 28% |
| 1981 | 32.1% | 1997 | 18% | 2013 | 24.9% |
| 1982 | 36.4% | 1998 | 27.4% | 2014 | 24.1% |
| 1983 | 44.8% | 1999 | 18.5% | 2015 | 26.5% |
| 1984 | 43.6% | 2000 | 20% | 2016 | 16.9% |
| 1985 | 26% | 2001 | 28.4% | 2017 | 17.5% |
| 1986 | 21.7% | 2002 | 28.8% | 2018 | 19.6% |
| 1987 | 25% | 2003 | 21.8% | 2019 | 18.6% |
| 1988 | 19.5% | 2004 | 24.7% | 2020 | 14.4% |
| 1989 | 40.6% | 2005 | 32.7% | 2021 | 15.4% |
| 1990 | 52.7% | 2006 | 39.9% | 2022 | 26.5% |
| 1991 | 48.5% | 2007 | 36.8% | 2023 | 21.6% |
| 1992 | 37.3% | 2008 | 34.5% | 2024 | 17.9% |
| 1993 | 38.4% | 2009 | 33.4% | 2025 | 18.1% |
| 1994 | 22.5% | 2010 | 26.6% | 2026 | 17.5% |
| 1995 | 18.1% | 2011 | 28.3% | | |
Show data table
| 1980 | 2.96B | 1996 | 23.4B | 2012 | 3.2T |
| 1981 | 2.58B | 1997 | 55.1B | 2013 | 2.7T |
| 1982 | 4.21B | 1998 | 71.3B | 2014 | 2.59T |
| 1983 | 6.78B | 1999 | 84B | 2015 | 2.06T |
| 1984 | 8.39B | 2000 | 164B | 2016 | 1.13T |
| 1985 | 8.63B | 2001 | 348B | 2017 | 1.24T |
| 1986 | 6.82B | 2002 | 414B | 2018 | 1.45T |
| 1987 | 8.35B | 2003 | 471B | 2019 | 1.24T |
| 1988 | 6.92B | 2004 | 774B | 2020 | 820B |
| 1989 | 13.6B | 2005 | 1.41T | 2021 | 1.04T |
| 1990 | 19.1B | 2006 | 2.1T | 2022 | 2.26T |
| 1991 | 18B | 2007 | 2.31T | 2023 | 1.62T |
| 1992 | 15.8B | 2008 | 3.05T | 2024 | 1.39T |
| 1993 | 17.6B | 2009 | 2.37T | 2025 | 1.31T |
| 1994 | 15B | 2010 | 2.15T | 2026 | 1.34T |
| 1995 | 15.2B | 2011 | 2.85T | | |
Show data table
| 1980 | 248.5% | 1996 | 22.9% | 2012 | 35.2% |
| 1981 | 207% | 1997 | 14.8% | 2013 | 29.3% |
| 1982 | 221.3% | 1998 | 35.1% | 2014 | 31.6% |
| 1983 | 199.4% | 1999 | 18.7% | 2015 | 41.6% |
| 1984 | 158% | 2000 | 22.6% | 2016 | 27.8% |
| 1985 | 115.4% | 2001 | 13.5% | 2017 | 20.1% |
| 1986 | 119% | 2002 | 11.3% | 2018 | 19.1% |
| 1987 | 183% | 2003 | 11.8% | 2019 | 16.8% |
| 1988 | 227.9% | 2004 | 15.5% | 2020 | 16.2% |
| 1989 | 116.8% | 2005 | 14.1% | 2021 | 12.7% |
| 1990 | 212.9% | 2006 | 18.1% | 2022 | 14.8% |
| 1991 | 284.5% | 2007 | 19.7% | 2023 | 19.2% |
| 1992 | 594.8% | 2008 | 19.9% | 2024 | 18.5% |
| 1993 | 256.3% | 2009 | 39.8% | 2025 | 20.7% |
| 1994 | 509.8% | 2010 | 31.2% | 2026 | 19.2% |
| 1995 | 141.5% | 2011 | 27.5% | | |
Show data table
| 1980 | 16.5B | 1996 | 32.4B | 2012 | 4.02T |
| 1981 | 16.7B | 1997 | 45.3B | 2013 | 3.17T |
| 1982 | 25.6B | 1998 | 91.2B | 2014 | 3.4T |
| 1983 | 30.2B | 1999 | 84.9B | 2015 | 3.24T |
| 1984 | 30.4B | 2000 | 186B | 2016 | 1.85T |
| 1985 | 38.3B | 2001 | 165B | 2017 | 1.42T |
| 1986 | 37.4B | 2002 | 162B | 2018 | 1.41T |
| 1987 | 61B | 2003 | 255B | 2019 | 1.12T |
| 1988 | 81.1B | 2004 | 485B | 2020 | 921B |
| 1989 | 39.1B | 2005 | 610B | 2021 | 861B |
| 1990 | 77.2B | 2006 | 954B | 2022 | 1.26T |
| 1991 | 106B | 2007 | 1.23T | 2023 | 1.44T |
| 1992 | 252B | 2008 | 1.76T | 2024 | 1.43T |
| 1993 | 117B | 2009 | 2.83T | 2025 | 1.5T |
| 1994 | 339B | 2010 | 2.52T | 2026 | 1.47T |
| 1995 | 119B | 2011 | 2.77T | | |