1964

7.9

1978

6.4

2024

8.1

2007

8.5

2018

7.2

2023

9.7

2003

7.2

1982

6.3

2023

9.0

2014

7.4

1964

7.4

2016

6.7

1983

6.8

1981

6.5

1976

7.0

2003

7.6

2020

7.0

1970

7.1

2001

7.6

2005

8.1