1961

4.9

2003

5.9

1984

6.4

1980

3.1

2023

6.9

2024

7.3

2022

5.8

1999

5.0

2022

7.4

2014

7.4

1988

6.5

0.0

2009

6.9

2007

6.4

2025

8.6

2007

5.4

1986

6.0

2002

6.6

2015

7.4

2017

6.6