1999

7.4

2023

9.7

1996

5.4

2018

7.6

2022

7.6

1993

6.7

5.8

1998

7.2

1974

6.9

2010

6.7

2008

7.2

2010

7.8

2016

5.6

1995

8.4

2016

6.8

2019

7.8

2009

6.2

2004

8.3

2015

7.7

2020

6.7