File:Northern-Ireland-question-UK-BSA.svg

Summary
Time series of responses to British Social Attitudes question "Do you think the long term policy for Northern Ireland should be for it..."

Data
"Year",1983,1984,1986,1987,1989,1990,1991,1993,1994,1995,1996,1998,1999,2000,2002,2003,2004,2006 "Remain part of UK",28.5,26.72,26.51,26.8,30.08,28.69,28.1,27.99,24.09,28.54,30.23,25.76,26.77,25.29,27.07,27.56,32.27,34.03 "Reunify with Ireland",57.92,57.74,56.67,56.96,54.75,55.75,53.9,53.46,59.36,51.88,52.3,51.82,54.55,57.04,48.73,54.9,44.64,38.75 "Other",7.67,7.38,7.99,6.3,5.68,5.65,6.31,6.07,7.84,9.69,5.95,7.85,7.63,5.83,9.31,5.98,7.45,8.35 "DK/NA/Refused",6.02,8.18,8.79,9.91,9.47,9.9,11.71,12.39,8.71,9.91,11.54,14.47,11.11,11.87,14.88,11.55,15.55,18.87

Data from the British Social Attitudes Survey. 

Made using matplotlib with this python program: