2009

6.6

2023

6.1

2002

7.5

1966

6.3

1968

6.9

2016

6.4

2019

6.5

2004

6.4

2001

6.8

2017

6.5

2022

6.1

1980

5.9

2014

7.0

1995

7.8

1941

6.9

1980

6.4

2011

6.6

1953

5.6

1999

6.7

2000

5.1