% Data for Exercise 18.5: stock of buildings in Austria 1869 - 2011
% x = year, y = number of existing buildings

x = [1869
1880
1890
1900
1910
1923
1934
1951
1961
1971
1981
1991
2001
2011];

y = [562045
590029
614694
648116
690731
717004
805849
896030
1049953
1259533
1586841
1809060
2046712
2191280];