2000

5.7

1996

7.8

2000

5.1

2011

6.6

2021

6.7

2006

4.6

2012

9.3

1949

6.2

2005

9.7

1993

5.4

2015

5.1

1984

6.7

2019

8.7

1975

6.1

2004

6.4

1931

5.8

2021

6.1

2020

6.3

2025

5.3

2019

6.5