For the years ended December 31,

2021

2020

2019

Short-term employee benefits

Employee salaries and bonuses

$

2,729,475

$

2,348,709

$

2,235,926

Directors fees

270,000

265,833

245,000

Social security and medical care costs

95,456

80,949

77,284

3,094,931

2,695,491

2,558,210

Post-employment benefits

Contributions to defined contribution pension plan

34,209

36,114

32,435

Share-based payments

3,332,809

1,726,690

1,555,857

Total key management remuneration

$

6,461,949

$

4,458,295

$

4,146,502