2020

5.7

1995

7.9

1988

7.8

1993

6.2

1999

7.4

1961

1.0

1966

1.0

1998

7.0

1935

5.0

2005

6.8

2004

6.5

2013

6.1

1972

7.1

1999

6.8

1978

7.1

2000

5.7

1982

6.5

2003

5.7

1968

6.3

2009

5.7