Show data table
| 1980 | 16.1% | 1996 | 65.4% | 2012 | 89.6% |
| 1981 | 19.4% | 1997 | 64.3% | 2013 | 100% |
| 1982 | 24.4% | 1998 | 62.4% | 2014 | 104.4% |
| 1983 | 29.5% | 1999 | 60.9% | 2015 | 102.4% |
| 1984 | 36% | 2000 | 57.8% | 2016 | 102% |
| 1985 | 40.9% | 2001 | 54.1% | 2017 | 101.1% |
| 1986 | 42.1% | 2002 | 51.2% | 2018 | 99.7% |
| 1987 | 41.9% | 2003 | 47.7% | 2019 | 97.6% |
| 1988 | 38.5% | 2004 | 45.3% | 2020 | 119.2% |
| 1989 | 39.9% | 2005 | 42.4% | 2021 | 115.6% |
| 1990 | 41.3% | 2006 | 39% | 2022 | 109.2% |
| 1991 | 41.9% | 2007 | 35.7% | 2023 | 105.1% |
| 1992 | 44.1% | 2008 | 39.6% | 2024 | 101.6% |
| 1993 | 54.6% | 2009 | 53.1% | 2025 | 100.4% |
| 1994 | 57% | 2010 | 60.3% | 2026 | 98.2% |
| 1995 | 61.6% | 2011 | 69.5% | | |
Show data table
| 1980 | 16B | 1996 | 320B | 2012 | 928B |
| 1981 | 22B | 1997 | 334B | 2013 | 1.03T |
| 1982 | 31.8B | 1998 | 346B | 2014 | 1.08T |
| 1983 | 43.8B | 1999 | 362B | 2015 | 1.11T |
| 1984 | 59.9B | 2000 | 375B | 2016 | 1.15T |
| 1985 | 75.8B | 2001 | 379B | 2017 | 1.18T |
| 1986 | 89B | 2002 | 384B | 2018 | 1.21T |
| 1987 | 98.9B | 2003 | 383B | 2019 | 1.22T |
| 1988 | 101B | 2004 | 390B | 2020 | 1.35T |
| 1989 | 117B | 2005 | 393B | 2021 | 1.43T |
| 1990 | 135B | 2006 | 392B | 2022 | 1.5T |
| 1991 | 150B | 2007 | 385B | 2023 | 1.57T |
| 1992 | 171B | 2008 | 441B | 2024 | 1.62T |
| 1993 | 220B | 2009 | 570B | 2025 | 1.69T |
| 1994 | 244B | 2010 | 649B | 2026 | 1.74T |
| 1995 | 283B | 2011 | 743B | | |
Show data table
| 1985 | 23.6% | 1999 | 51.2% | 2013 | 81.3% |
| 1986 | 26.5% | 2000 | 47.2% | 2014 | 85.7% |
| 1987 | 27% | 2001 | 44.4% | 2015 | 85.3% |
| 1988 | 27.6% | 2002 | 41% | 2016 | 86.4% |
| 1989 | 27.2% | 2003 | 38.5% | 2017 | 85.6% |
| 1990 | 27.9% | 2004 | 35.8% | 2018 | 84.2% |
| 1991 | 29.2% | 2005 | 31.8% | 2019 | 83.1% |
| 1992 | 31.6% | 2006 | 26.8% | 2020 | 102% |
| 1993 | 36.3% | 2007 | 22.4% | 2021 | 97.4% |
| 1994 | 41.6% | 2008 | 25.3% | 2022 | 92.1% |
| 1995 | 52.5% | 2009 | 36.5% | 2023 | 89.6% |
| 1996 | 56% | 2010 | 45.8% | 2024 | 87.2% |
| 1997 | 56% | 2011 | 56.1% | 2025 | 85% |
| 1998 | 53.7% | 2012 | 72.1% | 2026 | 82.8% |
Show data table
| 1985 | 43.7B | 1999 | 305B | 2013 | 834B |
| 1986 | 56B | 2000 | 306B | 2014 | 890B |
| 1987 | 63.8B | 2001 | 311B | 2015 | 927B |
| 1988 | 72.3B | 2002 | 307B | 2016 | 970B |
| 1989 | 79.8B | 2003 | 309B | 2017 | 1T |
| 1990 | 91.4B | 2004 | 308B | 2018 | 1.02T |
| 1991 | 105B | 2005 | 295B | 2019 | 1.04T |
| 1992 | 122B | 2006 | 269B | 2020 | 1.15T |
| 1993 | 146B | 2007 | 241B | 2021 | 1.2T |
| 1994 | 178B | 2008 | 282B | 2022 | 1.27T |
| 1995 | 241B | 2009 | 391B | 2023 | 1.34T |
| 1996 | 274B | 2010 | 493B | 2024 | 1.39T |
| 1997 | 291B | 2011 | 600B | 2025 | 1.43T |
| 1998 | 298B | 2012 | 747B | 2026 | 1.47T |