1951

6.4

1999

5.7

2007

8.6

2023

6.7

1988

6.1

2018

6.6

1993

5.8

1990

6.1

1983

6.5

1935

7.5

2024

9.9

2022

7.3

2002

6.3

2024

6.1

1943

6.4

1895

5.5

2009

8.5

1961

7.7

2019

6.8

1964

6.6