2007

7.4

2010

6.8

2014

6.1

2002

6.5

1953

6.7

2019

6.4

2024

6.2

2003

6.5

2023

2.8

2009

5.8

2004

3.8

2014

4.2

1970

5.2

2009

7.1

2009

7.2

2009

6.3

1977

7.0

2005

6.2

1993

6.9

1968

5.9