Year
|
AllGHGs
|
Threshold
|
Minimum
|
Maximum
|
1750
|
|
450
|
400
|
500
|
1755
|
|
450
|
400
|
500
|
1760
|
|
450
|
400
|
500
|
1765
|
|
450
|
400
|
500
|
1770
|
|
450
|
400
|
500
|
1775
|
|
450
|
400
|
500
|
1780
|
|
450
|
400
|
500
|
1785
|
|
450
|
400
|
500
|
1790
|
|
450
|
400
|
500
|
1795
|
|
450
|
400
|
500
|
1800
|
|
450
|
400
|
500
|
1805
|
|
450
|
400
|
500
|
1810
|
|
450
|
400
|
500
|
1815
|
|
450
|
400
|
500
|
1820
|
|
450
|
400
|
500
|
1825
|
|
450
|
400
|
500
|
1830
|
|
450
|
400
|
500
|
1835
|
|
450
|
400
|
500
|
1840
|
|
450
|
400
|
500
|
1845
|
|
450
|
400
|
500
|
1850
|
|
450
|
400
|
500
|
1855
|
|
450
|
400
|
500
|
1860
|
|
450
|
400
|
500
|
1865
|
|
450
|
400
|
500
|
1870
|
|
450
|
400
|
500
|
1875
|
|
450
|
400
|
500
|
1880
|
|
450
|
400
|
500
|
1885
|
|
450
|
400
|
500
|
1890
|
|
450
|
400
|
500
|
1895
|
|
450
|
400
|
500
|
1900
|
|
450
|
400
|
500
|
1905
|
|
450
|
400
|
500
|
1910
|
|
450
|
400
|
500
|
1915
|
|
450
|
400
|
500
|
1920
|
|
450
|
400
|
500
|
1925
|
|
450
|
400
|
500
|
1930
|
|
450
|
400
|
500
|
1935
|
|
450
|
400
|
500
|
1940
|
|
450
|
400
|
500
|
1945
|
|
450
|
400
|
500
|
1950
|
|
450
|
400
|
500
|
1955
|
|
450
|
400
|
500
|
1960
|
|
450
|
400
|
500
|
1965
|
|
450
|
400
|
500
|
1970
|
307.95
|
450
|
400
|
500
|
1975
|
319.54
|
450
|
400
|
500
|
1978
|
328.31
|
450
|
400
|
500
|
1979
|
331.83
|
450
|
400
|
500
|
1980
|
335.64
|
450
|
400
|
500
|
1981
|
338.16
|
450
|
400
|
500
|
1982
|
341.23
|
450
|
400
|
500
|
1983
|
344.23
|
450
|
400
|
500
|
1984
|
347.32
|
450
|
400
|
500
|
1985
|
350.26
|
450
|
400
|
500
|
1986
|
353.39
|
450
|
400
|
500
|
1987
|
356.41
|
450
|
400
|
500
|
1988
|
360.71
|
450
|
400
|
500
|
1989
|
363.98
|
450
|
400
|
500
|
1990
|
366.41
|
450
|
400
|
500
|
1991
|
369.15
|
450
|
400
|
500
|
1992
|
370.57
|
450
|
400
|
500
|
1993
|
371.86
|
450
|
400
|
500
|
1994
|
374.17
|
450
|
400
|
500
|
1995
|
376.88
|
450
|
400
|
500
|
1996
|
379.29
|
450
|
400
|
500
|
1997
|
381.0
|
450
|
400
|
500
|
1998
|
384.29
|
450
|
400
|
500
|
1999
|
387.22
|
450
|
400
|
500
|
2000
|
388.9
|
450
|
400
|
500
|
2001
|
390.95
|
450
|
400
|
500
|
2002
|
393.4
|
450
|
400
|
500
|
2003
|
396.61
|
450
|
400
|
500
|
2004
|
398.54
|
450
|
400
|
500
|
2005
|
401.42
|
450
|
400
|
500
|
2006
|
404.04
|
450
|
400
|
500
|
2007
|
406.32
|
450
|
400
|
500
|
2008
|
409.15
|
450
|
400
|
500
|
2009
|
411.05
|
450
|
400
|
500
|
2010
|
413.9
|
450
|
400
|
500
|
2011
|
416.39
|
450
|
400
|
500
|