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 | |
| 2018-02 | |
| 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 | 7.80 |
| 2016-05 | 8.20 |
| 2016-04 | 7.60 |
| 2016-03 | 7.10 |
| 2016-02 | 2.70 |
| 2015-12 | 1.80 |
| 2015-11 | 1.90 |
| 2015-10 | 2.80 |
| 2015-09 | 4.00 |
| 2015-08 | 5.40 |
| 2015-07 | 7.60 |
| 2015-06 | 8.60 |
| 2015-05 | 11.90 |
| 2015-04 | 13.90 |
| 2015-03 | 17.20 |
| 2015-02 | 18.20 |
| 2014-12 | 20.10 |
| 2014-11 | 22.00 |
| 2014-10 | 23.40 |
| 2014-09 | 22.80 |
| 2014-08 | 22.90 |
| 2014-07 | 22.30 |
| 2014-06 | 23.20 |
| 2014-05 | 23.60 |
| 2014-04 | 25.40 |
| 2014-03 | 25.50 |
| 2014-02 | 26.40 |
| 2013-12 | 28.30 |
| 2013-11 | 27.60 |
| 2013-10 | 26.90 |
| 2013-09 | 27.90 |
| 2013-08 | 26.50 |
| 2013-07 | 29.50 |
| 2013-06 | 26.10 |
| 2013-05 | 24.10 |
| 2013-04 | 22.70 |
| 2013-03 | 21.20 |
| 2013-02 | 22.40 |
| 2012-12 | 25.40 |
| 2012-11 | 27.30 |
| 2012-10 | 25.80 |
| 2012-09 | 25.30 |
| 2012-08 | 25.70 |
| 2012-07 | 23.60 |
| 2012-06 | 26.30 |
| 2012-05 | 31.60 |
| 2012-04 | 34.20 |
| 2012-03 | 34.20 |
| 2012-02 | 42.50 |
| 2011-12 | 30.50 |
| 2011-11 | 35.00 |
| 2011-10 | 35.50 |
| 2011-09 | 36.10 |
| 2011-08 | 37.00 |
| 2011-07 | 37.00 |
| 2011-06 | 38.60 |
| 2011-05 | 36.00 |
| 2011-04 | 34.70 |
| 2011-03 | 40.20 |
| 2011-02 | 36.70 |
| 2010-12 | 33.90 |
| 2010-11 | 34.30 |
| 2010-10 | 33.90 |
| 2010-09 | 33.30 |
| 2010-08 | 34.30 |
| 2010-07 | 35.30 |
| 2010-06 | 34.50 |
| 2010-05 | 35.00 |
| 2010-04 | 32.10 |
| 2010-03 | 30.60 |
| 2010-02 | 30.40 |
| 2009-12 | 24.40 |
| 2009-11 | 35.30 |
| 2009-10 | 35.40 |
| 2009-09 | 34.80 |
| 2009-08 | 32.10 |
| 2009-07 | 28.20 |
| 2009-06 | 27.50 |
| 2009-05 | 24.00 |
| 2009-04 | 23.20 |
| 2009-03 | 19.00 |
| 2009-02 | 13.40 |
| 2008-12 | 14.90 |
| 2008-11 | 16.10 |
| 2008-10 | 16.70 |
| 2008-09 | 16.80 |
| 2008-08 | 17.40 |
| 2008-07 | 19.20 |
| 2008-06 | 20.70 |
| 2008-05 | 21.70 |
| 2008-04 | 20.80 |
| 2008-03 | 20.90 |
| 2008-02 | 28.00 |
| 2007-12 | 17.90 |
| 2007-11 | 19.00 |
| 2007-10 | 19.30 |
| 2007-09 | 19.90 |
| 2007-08 | 20.30 |
| 2007-07 | 19.40 |
| 2007-06 | 17.10 |
| 2007-05 | 13.80 |
| 2007-04 | 15.30 |
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