2005

7.1

2023

6.4

2020

4.7

1999

7.4

2000

8.1

2017

7.9

1976

7.2

2024

8.0

1991

7.6

1995

4.2

1985

7.2

2025

7.8

2009

7.3

2005

6.9

2015

6.5

2005

6.9

2020

7.8

1991

7.4

2000

7.0

2023

8.6