1993

6.2

2002

8.3

2023

9.1

2012

6.0

1975

6.9

1966

7.7

1986

7.5

2022

4.0

2003

5.2

6.6

1951

7.2

2020

6.9

2015

6.6

2020

7.4

1935

7.4

1982

5.8

2010

4.8

2020

9.0

2013

6.1

2024

7.4