訪問完整數據圖表請先購買:
| 年月 | 單位：% |
| 含“(e)”其對應值為系統預測，僅供參考。 | |
| 2025-04（e） | |
| 2025-03（e） | |
| 2025-02（e） | |
| 2025-01（e） | |
| 2024-12（e） | |
| 2024-11（e） | |
| 2024-10（e） | |
| 2024-09（e） | |
| 2024-08（e） | |
| 2024-07（e） | |
| 2024-06（e） | |
| 2024-05（e） | |
| 2024-04 | |
| 2024-03 | |
| 2024-02 | |
| 2023-12 | |
| 2023-11 | |
| 2023-10 | |
| 2023-09 | |
| 2023-08 | |
| 2023-07 | |
| 2023-06 | |
| 2023-05 | |
| 2023-04 | |
| 2023-03 | |
| 2023-02 | |
| 2022-12 | |
| 2022-11 | |
| 2022-10 | |
| 2022-09 | |
| 2022-08 | |
| 2022-07 | |
| 2022-06 | |
| 2022-05 | |
| 2022-04 | |
| 2022-03 | |
| 2022-02 | |
| 2021-12 | |
| 2021-11 | |
| 2021-10 | |
| 2021-09 | |
| 2021-08 | |
| 2021-07 | |
| 2021-06 | |
| 2021-05 | |
| 2021-04 | |
| 2021-03 | |
| 2021-02 | |
| 2020-12 | |
| 2020-11 | |
| 2020-10 | |
| 2020-09 | |
| 2020-08 | |
| 2020-07 | |
| 2020-06 | |
| 2020-05 | |
| 2020-04 | |
| 2020-03 | |
| 2020-02 | |
| 2019-12 | |
| 2019-11 | |
| 2019-10 | |
| 2019-09 | |
| 2019-08 | |
| 2019-07 | |
| 2019-06 | |
| 2019-05 | |
| 2019-04 | |
| 2019-03 | |
| 2019-02 | |
| 2018-12 | |
| 2018-11 | |
| 2018-10 | |
| 2018-09 | |
| 2018-08 | |
| 2018-07 | |
| 2018-06 | |
| 2018-05 | |
| 2018-04 | |
| 2018-03 | |
| 2017-12 | |
| 2017-11 | |
| 2017-10 | |
| 2017-09 | |
| 2017-08 | |
| 2017-07 | |
| 2017-06 | |
| 2017-05 | |
| 2017-04 | |
| 2017-03 | |
| 2017-02 | |
| 2016-12 | |
| 2016-11 | |
| 2016-10 | |
| 2016-09 | |
| 2016-08 | |
| 2016-07 | |
| 2016-06 | |
| 2016-05 | 9.20 |
| 2016-04 | 8.70 |
| 2016-03 | 7.50 |
| 2016-02 | 2.90 |
| 2015-12 | 11.10 |
| 2015-11 | 11.70 |
| 2015-10 | 11.60 |
| 2015-09 | 11.60 |
| 2015-08 | 11.50 |
| 2015-07 | 10.80 |
| 2015-06 | 9.30 |
| 2015-05 | 7.90 |
| 2015-04 | 16.80 |
| 2015-03 | 12.50 |
| 2015-02 | 17.60 |
| 2014-12 | 17.00 |
| 2014-11 | 17.10 |
| 2014-10 | 17.10 |
| 2014-09 | 17.20 |
| 2014-08 | 16.50 |
| 2014-07 | 17.40 |
| 2014-06 | 18.20 |
| 2014-05 | 18.50 |
| 2014-04 | 18.40 |
| 2014-03 | 18.70 |
| 2014-02 | 19.30 |
| 2013-12 | 19.20 |
| 2013-11 | 19.80 |
| 2013-10 | 20.00 |
| 2013-09 | 19.30 |
| 2013-08 | 20.00 |
| 2013-07 | 20.10 |
| 2013-06 | 21.20 |
| 2013-05 | 20.00 |
| 2013-04 | 20.00 |
| 2013-03 | 20.30 |
| 2013-02 | 21.10 |
| 2012-12 | 25.40 |
| 2012-11 | 25.40 |
| 2012-10 | 25.10 |
| 2012-09 | 25.20 |
| 2012-08 | 25.00 |
| 2012-07 | 22.90 |
| 2012-06 | 21.20 |
| 2012-05 | 23.00 |
| 2012-04 | 26.00 |
| 2012-03 | 27.70 |
| 2012-02 | 23.50 |
| 2011-12 | 47.40 |
| 2011-11 | 37.00 |
| 2011-10 | 38.00 |
| 2011-09 | 38.80 |
| 2011-08 | 40.50 |
| 2011-07 | 41.00 |
| 2011-06 | 40.40 |
| 2011-05 | 41.50 |
| 2011-04 | 36.00 |
| 2011-03 | 37.00 |
| 2011-02 | 72.00 |
| 2010-12 | 36.20 |
| 2010-11 | 40.30 |
| 2010-10 | 35.20 |
| 2010-09 | 34.50 |
| 2010-08 | 35.00 |
| 2010-07 | 43.50 |
| 2010-06 | 33.00 |
| 2010-05 | 34.20 |
| 2010-04 | 29.10 |
| 2010-03 | 29.50 |
| 2010-02 | 38.10 |
| 2009-12 | 35.00 |
| 2009-11 | 31.20 |
| 2009-10 | 24.30 |
| 2009-09 | 24.50 |
| 2009-08 | 20.70 |
| 2009-07 | 20.40 |
| 2009-06 | 17.30 |
| 2009-04 | 20.10 |
| 2009-03 | 25.50 |
| 2009-02 | 33.30 |
| 2008-12 | 22.10 |
| 2008-11 | 27.20 |
| 2008-10 | 26.10 |
| 2008-09 | 25.20 |
| 2008-08 | 23.00 |
| 2008-07 | 24.30 |
| 2008-06 | 26.10 |
| 2008-05 | 21.30 |
| 2008-04 | 20.60 |
| 2008-03 | 23.40 |
| 2008-02 | 26.10 |
| 2007-12 | 26.30 |
| 2007-11 | 26.00 |
| 2007-10 | 29.90 |
| 2007-09 | 31.90 |
| 2007-07 | 32.10 |
| 2007-06 | 32.00 |
| 2007-05 | 53.20 |
| 2007-04 | 67.70 |
| 2007-03 | 57.40 |
| 2007-02 | 29.10 |
| 2006-12 | 37.00 |
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