Acceleration of core supporter exodus regarding President Lee Jae-myung

Acceleration of core supporter exodus regarding President Lee Jae-myung?
Is it not Party Leader Jang Dong-hyeok?
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Early stages of presidential inauguration
Approval rating of the traditional progressive base: 82%
Democratic Party supporters' approval rating (positive): 86%
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Current (Recent)
Approval rating of the traditional progressive base: 85%
Democratic Party supporters' approval rating (positive): 88%
Whether at the start of the term
or currently, strong support from the core supporter base is being maintained