Table 7: Decomposition results of efficiency factor (1981–2010).

Year
(Mt)(Mt)(Mt)(%)(%)(%)

1981 29.9−83.3−22.429.9−9.6−18.21.08.71.2
1982 −8.82.1−22.1−7.30.3−17.31.28.31.3
1983 −5.8−28.1−5.8−4.7−3.2−4.71.28.91.3
1984 −4.7−78.8−1.8−3.6−7.9−1.41.310.01.3
1985 −37.8−34.35.8−28.2−3.03.91.311.51.5
1986 1.1−50.9−10.11.1−3.8−5.71.013.31.8
1987 0.3−80.9−15.30.3−5.6−8.01.114.51.9
1988 2.1−117.3−7.41.9−7.4−3.71.115.92.0
1989 −2.621.34.2−2.21.32.01.216.12.1
1990 −5.4−16.0−2.9−4.5−1.0−1.31.216.82.2

1991 2.6−129.5−4.42.2−7.5−1.91.217.22.3
1992 −8.5−223.2−10.9−6.7−12.5−4.31.317.92.5
1993 −13.3−210.95.9−10.6−10.92.21.319.32.7
1994 3.5−209.3−28.23.0−10.1−9.11.220.83.1
1995 2.9−100.7−39.22.3−4.6−12.51.322.03.1
1996 −51.0−237.997.0−36.4−9.832.21.424.33.0
1997 −3.2−219.9−40.1−3.5−9.0−9.30.924.44.3
1998 −3.4−202.4−30.0−3.7−8.3−7.00.924.54.3
1999 −0.2−117.1−17.5−0.2−4.8−4.10.924.54.3
2000 1.0−137.0−20.91.0−5.5−4.70.925.04.5

2001 2.1−124.1−29.42.2−4.9−6.30.925.64.7
2002 2.2−93.3−20.02.2−3.5−4.11.026.54.8
2003 12.165.826.611.52.35.21.128.75.2
2004 10.1149.936.28.14.56.11.233.06.0
2005 1.7−53.1−10.21.2−1.4−1.51.438.87.0
2006 −1.0−143.9−26.7−0.7−3.3−3.41.543.67.8
2007 −8.1−277.5−57.2−5.2−5.8−6.61.647.98.7
2008 −12.9−262.0−52.1−8.4−5.2−5.71.550.19.1
2009 −0.3−232.8−30.2−0.2−4.5−3.21.551.89.5
2010 −0.9−325.2−27.2−0.6−5.9−2.71.555.310.2