2001

7.2

2014

6.5

1994

6.5

2013

6.6

2005

5.4

1993

5.5

2010

6.6

2001

5.9

2020

7.0

2015

5.3

2002

6.2

2008

8.0

2021

7.8

1997

6.2

1934

7.5

2014

7.6

2023

7.8

2024

7.0

2003

5.8