1995

0.0

1951

6.1

1999

4.3

2005

5.6

1966

6.4

1995

6.9

1981

6.9

1963

7.2

2002

7.0

1980

6.1

2019

7.1

2021

6.6

1994

7.5

1935

6.5

2010

5.9

1984

0.0

1924

7.7

2017

7.6

1950

10.0

2008

6.6