| 年份 | 單位:% |
| 含“(E)”其對應值為系統預測,僅供參考。 | |
| 2031(E) | 購買后可見 ? |
| 2030(E) | 購買后可見 ? |
| 2029(E) | 購買后可見 ? |
| 2028 | 購買后可見 ? |
| 2027 | 購買后可見 ? |
| 2026 | 購買后可見 ? |
| 2025 | 購買后可見 ? |
| 2024 | 購買后可見 ? |
| 2023 | 購買后可見 ? |
| 2022 | 購買后可見 ? |
| 2021 | 購買后可見 ? |
| 2020 | 購買后可見 ? |
| 2019 | 購買后可見 ? |
| 2018 | 6.85 |
| 2017 | 16.36 |
| 2016 | 12.89 |
| 2015 | 16.68 |
| 2014 | 30.71 |
| 2013 | 20.88 |
| 2012 | 29.84 |
| 2011 | 34.71 |
| 2010 | 36.60 |
| 2009 | 33.45 |
| 2008 | 43.51 |
| 2007 | 35.58 |
| 2006 | 41.15 |
| 2005 | 38.18 |
| 2004 | 33.04 |
| 2003 | 34.19 |
| 2002 | 27.12 |
| 2001 | 31.44 |
| 2000 | 45.09 |
| 1999 | 26.73 |
| 1998 | 14.04 |
| 1997 | 17.22 |
| 1996 | 18.79 |
| 1995 | 16.14 |
| 1994 | 26.46 |
| 1993 | 21.92 |
| 1992 | 32.75 |
| 1991 | 46.93 |
| 1990 | 47.84 |
| 1989 | 52.41 |
| 1988 | 60.89 |
| 1987 | 58.51 |
| 1986 | 60.56 |
| 1985 | 65.37 |
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