1986

6.8

2002

6.9

2001

8.4

2008

7.7

1990

8.5

2012

7.4

2023

7.6

2001

7.9

1968

8.1

2004

6.7

1994

8.5

2003

7.8

2001

7.8

2012

7.8

1996

7.0

2002

7.7

2024

7.6

2022

7.7

2012

7.3

2010

7.3