pre_text: COMPENSATION DISCUSSION AND ANALYSIS
  IV. Our 2019 Compensation Program and Components of Pay The table below shows (i) the length of the “protected period” afforded to officers following a change of control and (ii) the multiple of salary and bonus payment and years of welfare benefits to which officers will be entitled if change of control benefits become payable under our agreements and related policies: For more information on change of control arrangements applicable to our executives, including our rationale for
  providing these benefits, see “Executive Compensation—Potential Termination Payments—Payments Made
  Upon a Change of Control.” For information on change of control severance benefits payable to our junior
  officers and managers, see “—Severance Benefits” in the next subsection below.
table: Protected Period Multiple of Annual Cash Compensation Years of Welfare Benefits
table: CEO 2 years 3 times 3 years
table: Other Executives 1.5 years 2 times 2 years
table: Other Officers 1 year 1 time 1 year
question: Analyse this data from a financial earnings document. What is the average protected period?