top of page
Year
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2023
2022
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
0.40
0.53
0.62
0.61
0.53
0.67
0.62
0.64
0.52
0.63
0.70
0.59
0.62
0.65
0.73
0.87
1.02
0.92
0.82
0.92
1.02
0.85
0.89
1.18
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
0.37
0.51
0.59
0.57
0.48
0.65
0.60
0.62
0.49
0.62
0.69
0.57
0.58
0.61
0.67
0.81
0.95
0.83
0.77
0.81
0.94
0.90
0.91
1.22
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
Mean
0.39
0.52
0.61
0.59
0.51
0.66
0.61
0.63
0.51
0.63
0.70
0.58
0.60
0.63
0.70
0.84
0.99
0.87
0.80
0.87
0.98
0.88
0.90
1.20
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
0.52
0.60
0.62
0.66
0.69
0.67
0.66
0.71
0.74
0.73
0.76
0.79
0.84
0.88
0.88
0.91
0.95
0.99
1.01
1.01
1.03
1.10
1.12
1.14
1.15
1.18
1.26
1.30
1.32
1.31
1.32
1.37
1.43
1.48
1.48
1.51
1.58
1.63
1.67
1.68
1.70
bottom of page