2013

7.6

2024

6.0

2001

8.9

2006

9.8

1999

8.2

1964

7.4

2005

7.4

2023

6.8

2020

6.4

7.0

1972

6.3

2019

5.4

2012

8.0

2011

6.5

1989

5.7

2006

4.6

1993

4.9

1958

7.3

6.6

2011

7.3