2005

7.3

1994

8.7

2023

7.5

1988

7.3

2014

6.5

2017

6.8

2016

8.2

2019

7.1

2017

7.2

2006

7.8

2017

7.0

1920

7.9

1987

7.3

1985

7.7

2016

5.9

1992

8.1

1999

7.3

2016

7.0

2016

7.6

1996

7.9