+−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−+
| Operating Income |
+−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−+
| FY3/2004 1st Quarter | ¥7,245M |
| FY3/2005 1st Quarter | ¥17,467M |
| FY3/2006 1st Quarter | ¥3,754M |
| FY3/2007 1st Quarter | ¥28,802M |
| FY3/2008 1st Quarter | ¥90,631M |
| FY3/2009 1st Quarter | ¥119,192M |
| FY3/2010 1st Quarter | ¥40,401M |
| FY3/2011 1st Quarter | ¥23,342M |
| FY3/2012 1st Quarter | ¥-37,712M |
| FY3/2013 1st Quarter | ¥-10,331M |
| FY3/2014 1st Quarter | ¥-4,924M |
| FY3/2015 1st Quarter | ¥-9,470M |
| FY3/2016 1st Quarter | ¥1,149M |
| FY3/2017 1st Quarter | ¥-5,134M |
| FY3/2018 1st Quarter | ¥16,208M |
| FY3/2019 1st Quarter | ¥30,535M |
| FY3/2020 1st Quarter | ¥27,428M |
| FY3/2021 1st Quarter | ¥144,737M |
| FY3/2022 1st Quarter | ¥119,752M |
| FY3/2023 1st Quarter | ¥101,647M |
| FY3/2024 1st Quarter | ¥185,441M |
| FY3/2025 1st Quarter | ¥54,510M |