Tabel data
| 1980 | 46,5% | 1996 | 45,4% | 2012 | 43,8% |
| 1981 | 47,1% | 1997 | 44,1% | 2013 | 44,7% |
| 1982 | 48% | 1998 | 43,3% | 2014 | 44,6% |
| 1983 | 48,9% | 1999 | 44,6% | 2015 | 43,4% |
| 1984 | 48,3% | 2000 | 44,3% | 2016 | 44,1% |
| 1985 | 48,7% | 2001 | 43,6% | 2017 | 44,1% |
| 1986 | 48,4% | 2002 | 42,6% | 2018 | 43,9% |
| 1987 | 48,4% | 2003 | 42,6% | 2019 | 44% |
| 1988 | 47,4% | 2004 | 42,8% | 2020 | 44,1% |
| 1989 | 44,8% | 2005 | 42,9% | 2021 | 43,6% |
| 1990 | 44,7% | 2006 | 44% | 2022 | 43,3% |
| 1991 | 47,5% | 2007 | 43,1% | 2023 | 43,6% |
| 1992 | 47,1% | 2008 | 44,2% | 2024 | 43,5% |
| 1993 | 47,7% | 2009 | 43,4% | 2025 | 43,3% |
| 1994 | 45,9% | 2010 | 43,6% | 2026 | 43,5% |
| 1995 | 45,2% | 2011 | 43,4% | | |
Tabel data
| 1980 | 81,2 miliar | 1996 | 157 miliar | 2012 | 288 miliar |
| 1981 | 86,4 miliar | 1997 | 163 miliar | 2013 | 297 miliar |
| 1982 | 91,6 miliar | 1998 | 171 miliar | 2014 | 302 miliar |
| 1983 | 96,9 miliar | 1999 | 187 miliar | 2015 | 304 miliar |
| 1984 | 100 miliar | 2000 | 201 miliar | 2016 | 318 miliar |
| 1985 | 105 miliar | 2001 | 211 miliar | 2017 | 331 miliar |
| 1986 | 108 miliar | 2002 | 214 miliar | 2018 | 346 miliar |
| 1987 | 110 miliar | 2003 | 219 miliar | 2019 | 365 miliar |
| 1988 | 112 miliar | 2004 | 228 miliar | 2020 | 360 miliar |
| 1989 | 112 miliar | 2005 | 237 miliar | 2021 | 389 miliar |
| 1990 | 119 miliar | 2006 | 258 miliar | 2022 | 430 miliar |
| 1991 | 133 miliar | 2007 | 268 miliar | 2023 | 458 miliar |
| 1992 | 138 miliar | 2008 | 288 miliar | 2024 | 488 miliar |
| 1993 | 143 miliar | 2009 | 273 miliar | 2025 | 511 miliar |
| 1994 | 145 miliar | 2010 | 280 miliar | 2026 | 535 miliar |
| 1995 | 149 miliar | 2011 | 284 miliar | | |
Tabel data
| 1980 | 50,6% | 1996 | 47,3% | 2012 | 47,6% |
| 1981 | 52,3% | 1997 | 45,7% | 2013 | 47,5% |
| 1982 | 53,9% | 1998 | 44,6% | 2014 | 46,7% |
| 1983 | 54,5% | 1999 | 44,3% | 2015 | 45,3% |
| 1984 | 54,5% | 2000 | 43,2% | 2016 | 43,9% |
| 1985 | 52,9% | 2001 | 44,1% | 2017 | 42,8% |
| 1986 | 52,6% | 2002 | 44,8% | 2018 | 42,4% |
| 1987 | 53,6% | 2003 | 45,8% | 2019 | 42,1% |
| 1988 | 51,7% | 2004 | 44,7% | 2020 | 47,8% |
| 1989 | 49,9% | 2005 | 43,4% | 2021 | 45,9% |
| 1990 | 48,8% | 2006 | 44% | 2022 | 43,3% |
| 1991 | 49,6% | 2007 | 43,3% | 2023 | 44% |
| 1992 | 50,2% | 2008 | 44,3% | 2024 | 44,4% |
| 1993 | 50,9% | 2009 | 48,4% | 2025 | 45,1% |
| 1994 | 49,4% | 2010 | 48,9% | 2026 | 46,2% |
| 1995 | 53,9% | 2011 | 47,8% | | |
Tabel data
| 1980 | 88,5 miliar | 1996 | 163 miliar | 2012 | 314 miliar |
| 1981 | 95,9 miliar | 1997 | 169 miliar | 2013 | 316 miliar |
| 1982 | 103 miliar | 1998 | 176 miliar | 2014 | 317 miliar |
| 1983 | 108 miliar | 1999 | 186 miliar | 2015 | 316 miliar |
| 1984 | 113 miliar | 2000 | 195 miliar | 2016 | 316 miliar |
| 1985 | 115 miliar | 2001 | 213 miliar | 2017 | 321 miliar |
| 1986 | 118 miliar | 2002 | 225 miliar | 2018 | 334 miliar |
| 1987 | 122 miliar | 2003 | 236 miliar | 2019 | 349 miliar |
| 1988 | 123 miliar | 2004 | 237 miliar | 2020 | 390 miliar |
| 1989 | 125 miliar | 2005 | 240 miliar | 2021 | 409 miliar |
| 1990 | 130 miliar | 2006 | 258 miliar | 2022 | 430 miliar |
| 1991 | 139 miliar | 2007 | 269 miliar | 2023 | 462 miliar |
| 1992 | 147 miliar | 2008 | 288 miliar | 2024 | 499 miliar |
| 1993 | 153 miliar | 2009 | 305 miliar | 2025 | 533 miliar |
| 1994 | 156 miliar | 2010 | 314 miliar | 2026 | 567 miliar |
| 1995 | 178 miliar | 2011 | 313 miliar | | |