日本人の知らない日本語

6.9

/

1990

7.797

/

2008

8.053

/

2017

8.5

/

2010

8.096

/

2014

6.502

/

2013

7.8

/

2015

8.1

/

2017

8.171

/

2019

7.548

/

1998

7.9

/

2013

8.596

/

2012

8.1

/

2007

8.4

/

2016

8.263

/

2023

8.687

/

2013

8

/

2020

8

/

2017

8.2

/

2002

8.2

/

2015

8.3

/

2025

1

/

2019

8.4

/

2025

7.8

/

2013

7.7

/

2023

3

/

2011

8.6

/

2024

0

/

2015

6.5

/

2013

8.252

/

1997

0

/

1979

6.5

/

2004

8.2

/

2022

6.4

/

2021

8.2

/

2022

8.208

/

2023

10

/

2013

7.8

/

1992

6.875

/

2008

7.3

/

2009