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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1911 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1941 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 1 |
| 1947 | 4 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 4 |
| 1951 | 9 |
| 1952 | 7 |
| 1953 | 12 |
| 1954 | 28 |
| 1955 | 23 |
| 1956 | 19 |
| 1957 | 21 |
| 1958 | 14 |
| 1959 | 12 |
| 1960 | 16 |
| 1961 | 31 |
| 1962 | 26 |
| 1963 | 72 |
| 1964 | 104 |
| 1965 | 73 |
| 1966 | 65 |
| 1967 | 109 |
| 1968 | 123 |
| 1969 | 144 |
| 1970 | 198 |
| 1971 | 234 |
| 1972 | 238 |
| 1973 | 275 |
| 1974 | 294 |
| 1975 | 223 |
| 1976 | 182 |
| 1977 | 171 |
| 1978 | 187 |
| 1979 | 202 |
| 1980 | 242 |
| 1981 | 214 |
| 1982 | 219 |
| 1983 | 258 |
| 1984 | 228 |
| 1985 | 241 |
| 1986 | 226 |
| 1987 | 214 |
| 1988 | 212 |
| 1989 | 182 |
| 1990 | 204 |
| 1991 | 194 |
| 1992 | 202 |
| 1993 | 168 |
| 1994 | 225 |
| 1995 | 198 |
| 1996 | 198 |
| 1997 | 215 |
| 1998 | 183 |
| 1999 | 196 |
| 2000 | 199 |
| 2001 | 181 |
| 2002 | 166 |
| 2003 | 169 |
| 2004 | 153 |
| 2005 | 138 |
| 2006 | 168 |
| 2007 | 165 |
| 2008 | 177 |
| 2009 | 140 |
| 2010 | 178 |
| 2011 | 149 |
| 2012 | 157 |
| 2013 | 133 |
| 2014 | 133 |
| 2015 | 131 |
| 2016 | 116 |
| 2017 | 103 |
| 2018 | 111 |
| 2019 | 108 |
| 2020 | 89 |
| 2021 | 74 |
| 2022 | 85 |
| 2023 | 73 |
| 2024 | 74 |
| 2025 | 91 |
| 2026 | 61 |