1994

7.0

2004

6.4

2023

5.7

2013

7.3

2024

6.8

1985

6.0

1961

7.5

1990

7.5

1993

7.8

1996

7.6

1962

7.2

1962

5.1

1931

4.2

2000

6.2

2018

6.5

2013

5.5

1993

5.8

2008

6.7

2011

6.5

2016

5.8