1990

6.1

2014

7.1

2021

6.1

1988

6.4

1973

9.2

2022

4.9

1981

6.5

1942

6.8

2004

6.0

1993

5.4

2009

5.3

1949

6.2

2011

6.1

1973

7.4

2007

10.0

2022

7.1

2002

9.1

2011

7.5

1976

4.5

1982

7.1