1985

5.9

1993

4.3

2006

5.1

1991

6.6

1961

7.1

1989

5.1

2023

8.5

2021

10.0

1993

8.6

2014

6.9

2010

5.2

1997

6.2

1934

6.0

2015

7.0

2017

8.0

2023

8.0

2020

6.8

1981

5.8

1992

6.0