1998

6.0

2001

5.6

2009

6.7

1985

5.9

1999

6.3

1991

6.7

2000

7.0

2015

6.5

1939

7.1

2023

7.8

2009

5.3

2023

6.3

2015

0.0

2023

0.0

2021

7.4

1953

6.9

2008

6.6

1967

6.9

2024

0.0

2022

5.5