1995

6.2

1996

6.1

1994

6.2

2005

5.6

2025

7.4

2023

6.5

2018

6.1

2005

6.3

1983

7.2

1960

8.2

2002

6.7

1971

7.5

2022

6.9

2022

5.1

1953

7.7

2022

6.0

2024

0.0

2003

7.1

2021

6.2

2021

5.3