1994

8.5

2014

6.0

2000

5.5

2003

5.3

2009

2.9

2017

4.0

1992

5.0

2010

5.9

1961

6.3

2017

8.0

2014

7.0

1999

5.4

1977

4.5

1964

5.7

2022

3.0

1996

4.8

2015

4.4

2003

4.9

2005

5.2

1978

2.0