2000

7.2

1962

7.7

1922

6.2

2022

5.5

1989

4.9

8.0

1990

6.1

1976

5.9

2009

7.4

1999

7.6

1968

6.8

2011

6.5

2015

5.4

2003

8.2

2004

4.2

2002

6.3

1966

6.3

1992

5.7