2005

5.5

2004

5.6

2016

7.6

2008

4.7

1975

6.0

2007

6.0

2023

8.0

2021

7.0

1972

8.7

1994

8.7

1985

8.3

2010

8.4

2008

7.6

1979

8.2

1995

8.4

2008

7.4

1999

8.4

2024

7.7

2013

7.9

2013

8.1