Excel
YearNumber Of Papers
2021 0
2020 360
2019 362
2018 355
2017 447
2016 427
2015 477
2014 470
2013 588
2012 385
2011 443
2010 519
2009 430
2008 528
2007 508
2006 597
2005 582
2004 640
2003 670
2002 691
2001 749
2000 750
1999 845
1998 839
1997 871
1996 838
1995 885
1994 938
1993 857
1992 813
1991 681
1990 692
1989 659
1988 549
1987 586
1986 558
1985 503
1984 525
1983 576
1982 458
1981 415
1980 396
1979 312
1978 279
1977 258
1976 228
1975 233
1974 126
1973 106
1972 100
1971 97
1970 70
1969 64
1968 53
1967 51
1966 31
1965 16
1964 17
1963 14
1962 5
1961 6
1960 4
1959 3
1958 4
1957 2
1956 0
1955 0
1954 1
1953 0
1952 0
1951 4
1950 0
1949 0
1948 0
1947 0
1946 0
1945 0
1944 0
1943 0
1942 0
1941 0
1940 0
1939 0
1938 0
1937 0
1936 0
1935 0
1934 0
1933 0
1932 0
1931 0
1930 0
1929 0
1928 1
1927 0
1926 0
1925 0
1924 0
1923 0
1922 0
1921 0
1920 0
1919 0
1918 0
1917 0
1916 0
1915 0
1914 0
1913 0
1912 0
1911 0
1910 0
1909 0
1908 0
1907 0
1906 0
1905 0
1904 0
1903 0
1902 0
1901 0
1900 0
1899 0
1898 0
1897 0
1896 0
1895 0
1894 0
1893 0
1892 0
1891 0
1890 0
1889 0
1888 0
1887 0
1886 0
1885 0
1884 0
1883 0
1882 0
1881 0
1880 0
1879 0
1878 0
1877 0
1876 0
1875 0
1874 0
1873 0
1872 0
1871 0
1870 0
1869 0
1868 0
1867 0
1866 0
1865 0
1864 0
1863 0
1862 0
1861 0
1860 0
1859 0
1858 0
1857 0
1856 0
1855 0
1854 0
1853 0
1852 0
1851 0
1850 0
1849 0
1848 0
1847 0
1846 0
1845 0
1844 0
1843 0
1842 0
1841 0
1840 0
1839 0
1838 0
1837 0
1836 0
1835 0
1834 0
1833 0
1832 0
1831 0
1830 0
1829 0
1828 0
1827 0
1826 0
1825 0
1824 0
1823 0
1822 0
1821 0
1820 0
1819 0
1818 0
1817 0
1816 0
1815 0
1814 0
1813 0
1812 0
1811 0
1810 0
1809 0
1808 0
1807 0
1806 0
1805 0
1804 0
1803 0
1802 0
1801 0