Im Yongji: ranking history (ITTF)

Year	Month	Day	Rating	Rank
2011	July	1	1136	744
2011	June	1	1136	763
2011	May	1	1136	745
2011	April	1	1136	753
2011	March	1	1136	749
2011	February	1	1136	742
2011	January	1	1136	747
2010	December	1	1136	757
2010	November	1	1136	753
2010	October	1	1136	752
2010	September	1	1136	748
2010	August	1	1136	747
2010	July	1	1147	740
2010	June	1	1147	755
2010	May	1	1147	717
2010	April	1	1147	720
2010	March	1	1147	715
2010	February	1	1147	695
2010	January	1	10455	740