| 2024 |
Korea Institute of Corporate Governance and Sustainability |
B+ |
A |
A |
B |
| 2023 |
Korea Institute of Corporate Governance and Sustainability |
B+ |
A |
A+ |
B |
| 2022 |
Korea Institute of Corporate Governance and Sustainability |
B |
B+ |
A |
C |
| 2021 |
Korea Institute of Corporate Governance and Sustainability |
A |
A+ |
A |
B+ |
| 2020 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A+ |
B+ |
| 2019 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A+ |
A |
| 2018 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A+ |
A |
| 2017 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A |
B+ |
| 2016 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
B+ |
A |
| 2015 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A |
B+ |
| 2014 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A |
A |
| 2013 |
Korea Institute of Corporate Governance and Sustainability |
A+ |
A+ |
A+ |
A |
| 2012 |
Korea Institute of Corporate Governance and Sustainability |
A |
A |
A+ |
A |
| 2011 |
Korea Institute of Corporate Governance and Sustainability |
B+ |
B |
B+ |
A |
| 2010 |
Korea Institute of Corporate Governance and Sustainability |
Very Good |
- |
- |
- |
| 2009 |
Korea Institute of Corporate Governance and Sustainability |
Very Good |
- |
- |
- |
| 2008 |
Korea Institute of Corporate Governance and Sustainability |
Very Good |
- |
- |
- |
| 2007 |
Korea Institute of Corporate Governance and Sustainability |
Good |
- |
- |
- |
| 2006 |
Korea Institute of Corporate Governance and Sustainability |
Good |
- |
- |
- |
| 2005 |
Korea Institute of Corporate Governance and Sustainability |
Weak |
- |
- |
- |