2000

6.8

2005

6.9

2011

6.7

1987

6.9

2005

4.2

2023

6.7

2019

7.7

1926

7.9

1996

6.6

2003

5.3

2015

6.9

2000

5.4

1986

7.0

2014

7.6

1970

7.2

1998

6.8

1988

7.4

1970

7.1

1986

7.3

2008

5.6