1998

6.9

1997

8.3

1975

7.9

1986

6.4

2021

0.0

2012

7.0

2021

9.3

1966

6.8

2004

6.8

2007

5.8

1931

7.1

2009

7.6

1975

6.0

2009

4.5

2023

7.2

2002

4.0

1966

3.5

1977

5.8

2017

8.0

2015

7.5