2017

0.0

1991

7.8

2002

6.5

1997

7.3

1969

6.7

1998

7.1

2000

8.2

1999

8.7

2009

7.9

2009

7.6

1971

7.9

2000

8.5

1983

7.6

2004

8.4

2022

8.6

2019

4.0

2013

6.0

2023

6.7

2024

7.2

1978

7.1