2023

9.1

1996

6.7

1995

7.3

1989

7.0

2008

6.8

2002

6.3

1980

8.4

2018

7.0

1990

5.5

1994

6.6

1984

6.8

1959

8.2

2009

7.7

2010

6.7

1986

6.9

2005

6.8

1985

6.2

2009

5.7

2005

6.3

2015

6.4