Utilization Formula 2G Huawei KPI

Dear Expert,

anyone can help me for any doc and formula-related counter for below utilization KPI --> specific 2G Huawei?
plz give me some help... rep will be add

BSC Voice Traffic Occupation (%)
AGCHLossRate (%)
CCCHLDAGCH (%)
CPU Processor load (%)
CSSR Failures Causes
Downlink multislot allocation blocking
Effective Frequency Load for Voice (%)
EPDCH utilization (%)
Gb Load (%)
GPDCH utilization (%)
ICM Band distribution
ISHO Success Rate (%)
LAPD (DL/UL) Load (%)
Mean overall TS Occupation Rate CS+PS
Number of TRX Data
Number of TS_Dinamyc
Payload (UL/DL GPRS/EGPRS)
PCH Utilization CCCHLDPCH (%)
PCHLossRate (%)
PCU Abis TSL Occupation (%)
PCU HW installed (%)
Peak BSCU Utilization (%)
SDCCH Rejection Rate
TRX HW installed
TRX HW installed (%)

thanks in advance