1980

7.9

1931

8.3

2005

7.6

2006

6.9

1976

7.8

1979

7.3

1982

6.9

1985

7.1

1990

5.8

2021

7.0

2014

4.7

2019

3.9

1993

6.5

1989

2.6

2004

8.0

2021

7.7

2022

0.0

2023

8.0

2009

2.2

2021

6.3