2020

6.1

2004

4.9

2006

6.8

2009

5.7

2008

5.6

2002

6.7

1994

8.7

1949

8.0

1960

7.5

1994

8.5

1987

7.8

2023

8.1

2003

8.3

1995

7.7

1953

8.0

2023

7.3

2022

6.5

1964

8.1

1966

8.5

2018

7.1