2006

6.3

1991

6.8

1969

6.0

2007

5.5

1990

5.8

2002

5.9

2020

6.3

1991

6.1

2000

6.9

1993

7.2

2008

5.3

2023

7.0

2005

6.2

2024

7.7

2014

4.0

1993

6.0

2008

5.6

1990

4.6

1998

6.3

1971

7.0