1992

6.9

2016

9.3

2025

9.6

2023

10.0

2012

8.3

2006

7.8

1965

7.3

2004

7.2

2017

8.0

2018

10.0

2006

8.0

1960

7.1

1972

7.7

2024

7.8

2017

7.2

2006

8.2

1958

6.8

2003

7.7

2023

8.2