2012

7.7

1997

6.8

1994

6.2

1974

6.9

1921

6.8

2018

7.1

2006

7.0

2015

6.0

1964

6.4

1990

6.5

2010

5.3

1998

6.1

2008

6.2

1970

6.3

1968

6.6

2023

5.9

1989

6.2

1992

7.7

1939

7.8

2002

6.1