Excel
YearNumber Of Papers
2020 0
2019 0
2018 0
2017 499
2016 1442
2015 1637
2014 1482
2013 1407
2012 1212
2011 1127
2010 981
2009 827
2008 669
2007 480
2006 374
2005 345
2004 279
2003 247
2002 215
2001 225
2000 213
1999 226
1998 167
1997 128
1996 103
1995 110
1994 72
1993 93
1992 88
1991 93
1990 85
1989 89
1988 57
1987 49
1986 51
1985 51
1984 56
1983 44
1982 39
1981 40
1980 33
1979 31
1978 24
1977 26
1976 33
1975 14
1974 0
1973 0
1972 2
1971 3
1970 3
1969 0
1968 0
1967 0
1966 0
1965 0
1964 0
1963 0
1962 0
1961 0
1960 0
1959 0
1958 0
1957 0
1956 0
1955 0
1954 0
1953 0
1952 0
1951 0
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 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