2000

3.1

2014

7.8

2025

5.0

2024

7.3

2020

7.0

2004

4.7

2002

6.5

1994

6.3

2002

5.2

2019

6.5

1972

6.6

6.6

2017

6.6

2007

5.4

2013

8.1

2014

7.2

1967

5.0

1966

6.2

2017

6.5