2016

0.5

1989

6.8

1998

6.9

2005

5.2

1990

6.6

1997

5.0

2002

4.1

1964

0.0

1985

7.1

2009

7.8

1956

7.0

2008

6.5

1999

6.1

2000

6.4

2007

6.4

2000

6.4

2021

7.0

1998

7.0

1919

6.9

1974

4.2