| 年份 | 單位:% |
| 含“(E)”其對應值為系統預測,僅供參考。 | |
| 2025(E) | 購買后可見 ? |
| 2024(E) | 購買后可見 ? |
| 2023(E) | 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 | 購買后可見 ? |
| 2017 | 購買后可見 ? |
| 2016 | 購買后可見 ? |
| 2015 | 購買后可見 ? |
| 2014 | 購買后可見 ? |
| 2013 | 購買后可見 ? |
| 2012 | 42.13 |
| 2011 | 41.09 |
| 2010 | 63.37 |
| 2009 | 85.29 |
| 2008 | 53.26 |
| 2007 | 44.24 |
| 2006 | 42.48 |
| 2005 | 33.12 |
| 2004 | 62.01 |
| 2003 | 68.79 |
| 2002 | 39.97 |
| 2001 | 63.49 |
| 2000 | 21.73 |
| 1999 | 21.20 |
| 1998 | 27.70 |
| 1997 | 14.50 |
| 1996 | 33.80 |
| 1995 | 46.09 |
| 1994 | 33.70 |
| 1993 | 54.80 |
| 1992 | 52.30 |
| 1991 | 37.20 |
| 1990 | -69.45 |
| 1989 | 0.00 |
| 1988 | 55.30 |
| 1987 | 25.90 |
| 1986 | 15.20 |
| 1985 | 79.55 |
| 1984 | 41.30 |
| 1983 | 33.00 |
| 1982 | 22.60 |
| 1981 | -1.70 |
| 1980 | 20.15 |
| 1979 | 19.20 |
| 1978 | 66.66 |
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