1972

6.6

1972

6.3

1985

6.8

1996

9.5

6.6

1996

7.8

2010

7.0

2019

6.5

2024

6.0

6.6

2025

6.7

2024

7.2

2023

6.1

1980

5.9

1896

5.2

2008

6.7

2018

6.3

2000

7.7

2011

6.4

2014

5.9