1955

7.2

1999

5.8

2021

9.2

2006

7.8

1994

6.5

1984

6.5

1986

7.1

2013

6.6

1990

6.7

2009

6.5

1944

7.1

2013

6.2

2011

7.3

1997

4.6

2020

7.0

1965

7.5

1989

6.2

1977

8.0

1964

7.3

2013

6.6