2004

5.1

1995

6.4

2003

6.0

1997

5.5

2018

4.8

2024

3.7

1984

2.5

1964

5.8

1978

6.1

2016

4.2

2002

5.1

1937

4.6

2015

6.3

1977

6.0

2005

4.9

2014

6.3

2019

4.5

2014

6.7

2021

2.0

1929

6.2