pre_text: 19. Related Party Transactions Key management personnel compensation All directors and executive management have authority and responsibility for planning, directing and controlling the activities of the Group, and are considered to be key management personnel. Compensation for the Group’s key management personnel is as follows:
table: Fiscal Year Ended June 30,
table: 2019 2018 2017
table: (U.S. $ in thousands)
table: Executive management
table: Short-term compensation and benefits $3,835 $2,991 $2,860
table: Post-employment benefits 109 99 100
table: Share-based payments 17,144 9,335 26,030
table: $21,088 $12,425 $28,990
table: Board of directors
table: Cash remuneration $430 $362 $388
table: Share-based payments 1,772 1,577 1,825
table: $2,202 $1,939 $2,213
question: Analyse this data from a financial earnings document. What is the average annual total compensation for the Board of directors in fiscal years ended June 30, 2017, 2018 and 2019?