Excel
YearNumber Of Papers
2021 0
2020 0
2019 0
2018 0
2017 601
2016 774
2015 777
2014 788
2013 773
2012 661
2011 714
2010 830
2009 688
2008 614
2007 605
2006 578
2005 543
2004 520
2003 481
2002 405
2001 340
2000 299
1999 116
1998 91
1997 62
1996 52
1995 36
1994 42
1993 31
1992 42
1991 23
1990 22
1989 10
1988 14
1987 10
1986 11
1985 3
1984 4
1983 4
1982 7
1981 8
1980 7
1979 7
1978 6
1977 15
1976 6
1975 7
1974 2
1973 6
1972 3
1971 4
1970 8
1969 12
1968 7
1967 6
1966 5
1965 5
1964 1
1963 1
1962 1
1961 4
1960 3
1959 2
1958 3
1957 7
1956 1
1955 3
1954 2
1953 2
1952 2
1951 2
1950 2
1949 2
1948 0
1947 2
1946 2
1945 0
1944 1
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 0
1927 0
1926 0
1925 0
1924 0
1923 0
1922 0
1921 0
1920 2
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