1935

6.2

1990

4.4

2020

6.0

2009

4.6

1931

5.8

2009

7.1

2021

6.2

2011

9.8

2022

5.9

2001

6.6

2010

6.1

5.6

2020

4.8

1962

4.7

1989

5.8

1990

5.5

1966

2.5

2023

6.0

1967

5.0

2016

9.0