7.8

2016

7.5

2007

8.1

1972

7.1

2014

6.6

2012

6.2

2017

5.9

2018

7.7

2024

7.3

2001

6.9

1995

5.4

2003

5.1

1999

7.2

2018

5.9

1982

5.8

2012

6.4

2014

5.0

2007

5.7

2022

5.9