ついに大台400円超え
2004 ¥199
2005 ¥220
2008 ¥270
2009 ¥290
2012 ¥320
2013 ¥360
2014 ¥339
2015 ¥340
2016 ¥340
2017 ¥340
2018 ¥340
2019 ¥340
2020 ¥340
2021 ¥340
2022 ¥360
2023 ¥420 ←