1984

6.5

2017

7.4

1980

5.9

2021

1.0

1941

6.2

1996

9.5

2002

7.5

2023

6.0

1972

7.4

2003

6.2

2002

5.5

2000

7.0

2016

7.4

1993

5.5

2014

7.7

1999

5.6

2009

6.1

2014

6.1

2015

9.0