2019

4.6

1986

7.6

1995

8.4

1931

8.1

1958

7.4

2005

6.9

1988

7.8

1972

7.1

1999

8.2

2003

7.1

2003

6.7

1932

7.4

1946

7.6

1995

7.9

2006

6.8

1941

7.7

1999

7.0

2006

6.0

2008

6.6

2002

7.0