Excel
YearNumber Of Papers
2019 0
2018 0
2017 266
2016 818
2015 857
2014 920
2013 886
2012 753
2011 807
2010 810
2009 661
2008 619
2007 547
2006 497
2005 433
2004 435
2003 386
2002 201
2001 191
2000 94
1999 48
1998 21
1997 11
1996 10
1995 8
1994 19
1993 13
1992 11
1991 18
1990 12
1989 18
1988 20
1987 17
1986 23
1985 15
1984 10
1983 10
1982 16
1981 9
1980 7
1979 17
1978 9
1977 19
1976 17
1975 15
1974 14
1973 22
1972 15
1971 22
1970 17
1969 24
1968 24
1967 19
1966 13
1965 9
1964 5
1963 4
1962 2
1961 4
1960 5
1959 5
1958 6
1957 3
1956 4
1955 5
1954 5
1953 6
1952 2
1951 4
1950 1
1949 1
1948 0
1947 0
1946 4
1945 0
1944 1
1943 1
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 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