2003

8.0

2019

8.7

2020

7.2

1996

8.0

2012

9.3

2007

8.1

2016

7.0

2011

5.7

2003

6.7

2019

5.2

2011

5.8

2005

7.5

1988

6.1

1931

5.8

2007

9.8

1975

5.5

2019

6.4

2024

7.6

2009

6.2

7.8