월별	1월	2월	3월	4월	5월	6월	7월	8월	9월	10월	11월	12월	연평균
2024년	0.0189	0.0151	0.0148	0.0194	0.0158	0.0175	-	-	-	-	-	-
2023년	0.0194	0.0200	0.0198	0.0146	0.0155	0.0153	0.0146	0.0116	0.0119	0.0158	0.0172	0.0183	0.0162
2022년	0.0220	0.0180	0.0190	0.0180	0.0170	0.0130	0.0140	0.0130	0.0120	0.0140	0.0200	0.0180	0.0160
2021년	0.0220	0.0210	0.0200	0.0180	0.0170	0.0160	0.0130	0.0130	0.0110	0.0150	0.0210	0.0210	0.0170
2020년	0.0210	0.0210	0.0180	0.0160	0.0150	0.0180	0.0150	0.0130	0.0140	0.0170	0.0220	0.0230	0.0180
2019년	0.0240	0.0220	0.0220	0.0210	0.0240	0.0190	0.0160	0.0140	0.0150	0.0160	0.0220	0.0250	0.0200
2018년	0.0240	0.0240	0.0230	0.0210	0.0190	0.0200	0.0170	0.0130	0.0130	0.0180	0.0270	0.0220	0.0200
2017년	0.0240	0.0230	0.0250	0.0240	0.0250	0.0200	0.0190	0.0120	0.0170	0.0160	0.0280	0.0250	0.0220
2016년	0.0260	0.0230	0.0260	0.0240	0.0240	0.0220	0.0190	0.0150	0.0180	0.0190	0.0260	0.0260	0.0220
2015년	0.0250	0.0240	0.0260	0.0240	0.0280	0.0230	0.0180	0.0180	0.0150	0.0220	0.0220	0.0250	0.0220
2014년	0.0280	0.0240	0.0250	0.0290	0.0260	0.0200	0.0210	0.0180	0.0160	0.0210	0.0270	0.0230	0.0230
2013년	0.0290	0.0260	0.0270	0.0230	0.0270	0.0240	0.0190	0.0220	0.0170	0.0200	0.0240	0.0260	0.0240
2012년	0.0230	0.0240	0.0240	0.0260	0.0260	0.0190	0.0220	0.0150	0.0190	0.0260	0.0250	0.0260	0.0230
2011년	0.0220	0.0300	0.0260	0.0250	0.0230	0.0230	0.0190	0.0160	0.0180	0.0240	0.0260	0.0230	0.0230
2010년	0.0250	0.0250	0.0220	0.0240	0.0240	0.0260	0.0180	0.0170	0.0180	0.0190	0.0300	0.0270	0.0230
2009년	0.0250	0.0250	0.0200	0.0260	0.0240	0.0220	0.0190	0.0160	0.0190	0.0240	0.0230	0.0250	0.0220
2008년	0.0250	0.0250	0.0250	0.0250	0.0270	0.0190	0.0240	0.0150	0.0190	0.0280	0.0270	0.0280	0.0240
2007년	0.0250	0.0250	0.0250	0.0230	0.0270	0.0210	0.0210	0.0170	0.0170	0.0210	0.0280	0.0250	0.0230
2006년	0.0240	0.0220	0.0240	0.0220	0.0240	0.0250	0.0170	0.0160	0.0140	0.0220	0.0260	0.0280	0.0220