訪問完整數據圖表請先購買:
| 季度 | 單位：% |
| 含“(e)”其對應值為系統預測，僅供參考。 | |
| 2025-03（e） | |
| 2024-12（e） | |
| 2024-09（e） | |
| 2024-06（e） | |
| 2024-03 | |
| 2023-12 | |
| 2023-09 | |
| 2023-06 | |
| 2023-03 | |
| 2022-12 | |
| 2022-09 | |
| 2022-06 | |
| 2022-03 | |
| 2021-12 | |
| 2021-09 | |
| 2021-06 | |
| 2021-03 | |
| 2020-12 | |
| 2020-09 | |
| 2020-06 | |
| 2020-03 | |
| 2019-12 | |
| 2019-09 | |
| 2019-06 | |
| 2019-03 | |
| 2018-12 | |
| 2018-09 | |
| 2018-06 | |
| 2018-03 | |
| 2017-12 | |
| 2017-09 | |
| 2017-06 | |
| 2017-03 | |
| 2016-12 | |
| 2016-09 | |
| 2016-06 | |
| 2016-03 | |
| 2015-12 | |
| 2015-09 | |
| 2015-06 | |
| 2015-03 | 8.90 |
| 2014-12 | 11.50 |
| 2014-09 | 11.80 |
| 2014-06 | 12.00 |
| 2014-03 | 11.80 |
| 2013-12 | 12.90 |
| 2013-09 | 12.40 |
| 2013-06 | 12.30 |
| 2013-03 | 12.10 |
| 2012-12 | 14.40 |
| 2012-09 | 14.30 |
| 2012-06 | 14.40 |
| 2012-03 | 14.10 |
| 2011-12 | 17.30 |
| 2011-09 | 17.50 |
| 2011-06 | 17.40 |
| 2011-03 | 17.10 |
| 2010-12 | 18.60 |
| 2010-09 | 18.20 |
| 2010-06 | 18.00 |
| 2010-03 | 17.30 |
| 2009-12 | 18.70 |
| 2009-09 | 17.60 |
| 2009-06 | 17.10 |
| 2009-03 | 16.50 |
| 2008-12 | 22.60 |
| 2008-09 | 24.00 |
| 2008-06 | 24.10 |
| 2008-03 | 24.10 |
| 2007-12 | 18.30 |
| 2007-09 | 17.20 |
| 2007-06 | 16.80 |
| 2007-03 | 16.80 |
| 2006-12 | 16.40 |
| 2006-09 | 16.20 |
| 2006-06 | 16.20 |
| 2006-03 | 15.80 |
| 2005-12 | 16.30 |
| 2005-09 | 18.00 |
| 2005-06 | 19.00 |
| 2005-03 | 18.20 |
| 2004-12 | 18.90 |
| 2004-09 | 19.10 |
| 2004-06 | 20.00 |
| 2004-03 | 21.20 |
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