`1803` `1804` `1805` `1806` `1807` `1808` `1809` `1810` `1811` `1812` `1813` <chr> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int> <int> 1 Afghan… 603 603 603 603 603 603 603 603 603 603 604 604 604 604 2 Albania 667 667 667 667 667 668 668 668 668 668 668 668 668 668 3 Algeria 715 716 717 718 719 720 721 722 723 724 725 726 727 728 4 Andorra 1200 1200 1200 1200 1210 1210 1210 1210 1220 1220 1220 1220 1220 1230 5 Angola 618 620 623 626 628 631 634 637 640 642 645 648 651 654 6 Antigu… 757 757 757 757 757 757 757 758 758 758 758 758 758 758 7 Argent… 1510 1510 1510 1510 1510 1510 1510 1510 1510 1510 1510 1510 1510 1510 8 Armenia 514 514 514 514 514 514 514 514 514 514 514 515 515 515 9 Austra… 814 816 818 820 822 824 825 827 829 831 833 835 837 839 10 Austria 1850 1850 1860 1870 1880 1880 1890 1900 1910 1920 1920 1930 1940 1950 # … with 183 more rows, and 205 more variables: `1814` <int>, `1815` <int>, `1816` <int>, `1817` <int>, # `1818` <int>, `1819` <int>, `1820` <int>, `1821` <int>, `1822` <int>, `1823` <int>, `1824` <int>, # `1825` <int>, `1826` <int>, `1827` <int>, `1828` <int>, `1829` <int>, `1830` <int>, `1831` <int>, # `1832` <int>, `1833` <int>, `1834` <int>, `1835` <int>, `1836` <int>, `1837` <int>, `1838` <int>, # `1839` <int>, `1840` <int>, `1841` <int>, `1842` <int>, `1843` <int>, `1844` <int>, `1845` <int>, # `1846` <int>, `1847` <int>, `1848` <int>, `1849` <int>, `1850` <int>, `1851` <int>, `1852` <int>, ... The original data looked like this