Table 1. Analysis data amount

Course	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	Total
Collected	956	710	536	434	423	302	379	739	347	276	190	199	201	185	217	159	154	323	259	288	715	7,992
Analysis data (Refined)	234	215	172	133	137	94	163	257	140	123	80	94	79	80	86	63	61	136	127	118	183	2,781

The initial amount collected was 17,552, and "Collected" is the amount of blog posts including the keyword "Bukhansan Dulegil".