2014

5.3

1984

6.5

2023

5.9

2021

5.4

2013

6.1

2005

6.1

2013

6.1

2010

5.8

1964

6.0

1992

7.0

1995

5.7

1999

8.0

1961

6.9

2007

7.4

2002

6.8

2020

7.2

5.8

2005

5.8

1974

6.8

1966

7.5