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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1918 | 1 |
| 1921 | 1 |
| 1924 | 1 |
| 1927 | 2 |
| 1930 | 1 |
| 1931 | 2 |
| 1933 | 3 |
| 1934 | 1 |
| 1938 | 1 |
| 1940 | 2 |
| 1945 | 9 |
| 1946 | 12 |
| 1947 | 11 |
| 1948 | 12 |
| 1949 | 13 |
| 1950 | 12 |
| 1951 | 7 |
| 1952 | 12 |
| 1953 | 12 |
| 1954 | 13 |
| 1955 | 17 |
| 1956 | 12 |
| 1957 | 20 |
| 1958 | 26 |
| 1959 | 25 |
| 1960 | 31 |
| 1961 | 28 |
| 1962 | 39 |
| 1963 | 43 |
| 1964 | 67 |
| 1965 | 71 |
| 1966 | 54 |
| 1967 | 70 |
| 1968 | 97 |
| 1969 | 79 |
| 1970 | 100 |
| 1971 | 88 |
| 1972 | 92 |
| 1973 | 141 |
| 1974 | 129 |
| 1975 | 138 |
| 1976 | 151 |
| 1977 | 182 |
| 1978 | 198 |
| 1979 | 199 |
| 1980 | 181 |
| 1981 | 234 |
| 1982 | 269 |
| 1983 | 285 |
| 1984 | 233 |
| 1985 | 279 |
| 1986 | 326 |
| 1987 | 365 |
| 1988 | 372 |
| 1989 | 391 |
| 1990 | 432 |
| 1991 | 473 |
| 1992 | 496 |
| 1993 | 526 |
| 1994 | 568 |
| 1995 | 670 |
| 1996 | 662 |
| 1997 | 641 |
| 1998 | 676 |
| 1999 | 768 |
| 2000 | 856 |
| 2001 | 968 |
| 2002 | 989 |
| 2003 | 1149 |
| 2004 | 1405 |
| 2005 | 1630 |
| 2006 | 1892 |
| 2007 | 2083 |
| 2008 | 2510 |
| 2009 | 2722 |
| 2010 | 3085 |
| 2011 | 3577 |
| 2012 | 4217 |
| 2013 | 4655 |
| 2014 | 5140 |
| 2015 | 5720 |
| 2016 | 6042 |
| 2017 | 6440 |
| 2018 | 7056 |
| 2019 | 7629 |
| 2020 | 9664 |
| 2021 | 11209 |
| 2022 | 11222 |
| 2023 | 11471 |
| 2024 | 12029 |
| 2025 | 11527 |
| 2026 | 27 |