1980

6.1

2005

7.0

2001

8.4

2002

8.4

2003

8.5

1931

7.2

2008

6.6

2016

7.3

2009

0.0

1988

4.2

1982

8.1

2007

6.9

2000

6.9

1973

6.9

1925

7.1

2015

6.3

2018

4.6

2022

5.3

1984

7.0

2003

6.8