2006

7.7

1999

6.9

1987

6.8

2002

6.6

2003

7.5

1955

7.3

1956

7.1

2004

6.1

2000

7.1

1989

7.4

2006

7.6

1944

6.2

2005

6.7

1958

4.5

1970

7.1

1996

6.4

2017

7.2

1934

7.5

2004

6.4

1992

6.2