2009

10.0

1996

7.8

1980

6.7

1968

6.3

7.8

2008

8.0

1972

7.5

2022

7.2

2019

6.5

2000

6.5

2025

5.3

2002

7.8

1952

6.0

2015

7.4

1989

5.6

2008

4.6

1999

6.7

1982

6.3

1993

6.4

1933

6.9