1993

7.1

2001

5.4

2001

4.7

1956

6.2

2017

7.2

2022

7.7

2009

7.6

2010

8.4

2019

8.1

1972

8.7

2008

8.5

2017

7.8

2016

8.5

2018

6.8

1993

7.4

1994

8.7

2001

7.8

2019

7.8

2010

7.6

2013

8.0