2018

8.1

2021

6.7

1999

7.5

2014

10.0

2004

6.9

1991

6.6

2002

8.1

1997

7.5

2000

7.0

1976

8.0

2022

6.0

2005

7.5

2004

7.7

2004

7.9

1986

7.4

2005

7.1

1997

7.7

2022

7.4

2020

8.1

2001

7.8