The answer for 2011 minus 1927 is 84
2009 - 1992 = 17.
1992 - 1971 = 1921
1992 - 2010 = -18
1992
2011 - 1992 = 19
2011 - 1992 = 19
2,011 minus 1,959 is 52.
2,011 minus 1,969 is 42.
2,011 minus 1,950 is 61.
2,011 minus 1,953 is 58.
2,011 minus 1,955 is 56.