1949

7.7

1955

7.2

2021

4.9

2022

7.4

2011

7.2

2007

5.1

2016

6.7

1941

7.0

1959

6.9

1989

6.2

2013

8.4

2018

6.0

2025

6.5

6.0

2021

7.6

2008

5.2

1984

6.5

2022

7.1

2002

7.3

2021

6.0