1986

5.9

2013

6.3

2011

7.3

2016

6.5

2005

8.3

2022

8.7

2000

6.8

2020

6.8

2016

6.0

5.1

2006

6.5

1985

5.8

1951

6.7

1982

8.1

2024

10.0

1969

8.3

2024

5.7

2018

9.0

2021

9.8