1977

6.7

2020

6.5

2019

6.3

1979

6.0

2007

5.6

1985

8.9

5.0

2022

6.9

2021

10.0

2014

7.0

1972

4.9

2014

7.6

1926

5.5

2024

10.0

2007

6.4

2021

6.3

2019

6.0

2001

3.7