On CCX, I can create chart report. But on PCCE I can create chart.
Follow document of https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/icm_enterprise/icm_enterprise_11_5_1/User/Guide/UCCE_BK_U7CCCCF7_00_ucce-reporting...