직업별 월급 차이welfare['code_job'].dtypesdtype('float64')welfare['code_job'].value_counts()code_job611.0 962941.0 391521.0 354312.0 275873.0 236930.0 228313.0 213442.0 166510.0 158421.0 158999.0 155441.0 152952.0 142311.0 128910.0 104399.0 98951.0 97259.0 97314.0 96252.0 96942.0 81247.0 75243.0 73922.0 ..