2020

5.1

1986

5.6

1990

5.8

2004

6.0

2001

6.8

1988

4.5

2006

5.2

1992

4.1

1981

7.4

1977

5.6

2023

6.9

1982

6.0

2008

6.6

2005

4.5

1979

4.7

1975

6.3

1974

5.7

1942

6.4

1973

7.3

2007

4.2