Undocumented

6.1

/

2007

7.2

/

1996

7.8

/

1998

6.644

/

2008

6.1

/

2014

6

/

2023

7.232

/

1983

6.1

/

1982

0

/

NaN

0

/

NaN

6.9

/

2014

6.778

/

2005

6.929

/

1949

0

/

1991

6.408

/

2014

0

/

2023

7.2

/

2011

0

/

2017

0

/

2017

6.5

/

2017