1950

10.0

1965

7.7

2002

7.0

2023

9.2

1995

6.9

1981

6.9

1963

7.2

2008

7.0

2010

5.9

1994

7.5

2003

6.9

2017

7.5

1935

6.4

1999

4.3

2005

5.6

1966

6.4

2012

0.0

2019

8.0

1953

7.0

2014

6.8