2001

6.9

2004

7.5

1988

6.2

1998

6.7

2002

6.3

2002

8.0

1999

7.3

2014

7.3

2004

6.5

2003

6.6

2005

6.8

2002

7.1

2000

7.0

2024

5.0

2017

4.9

1942

6.0

1967

7.0

1999

7.0

2019

4.8

2006

6.0