2013

7.3

2002

6.0

1968

5.2

2020

7.0

1931

4.2

1993

5.8

1962

5.1

1996

6.4

1962

7.2

2011

6.5

2008

6.7

2016

5.8

1990

7.5

1993

7.8

1996

7.6

2005

7.1

2000

6.2

2013

5.5

1994

7.0

2018

3.9