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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1903 | 1 |
| 1948 | 1 |
| 1950 | 6 |
| 1951 | 7 |
| 1952 | 4 |
| 1953 | 9 |
| 1954 | 5 |
| 1955 | 9 |
| 1956 | 7 |
| 1957 | 20 |
| 1958 | 19 |
| 1959 | 13 |
| 1960 | 15 |
| 1961 | 19 |
| 1962 | 25 |
| 1963 | 22 |
| 1964 | 31 |
| 1965 | 26 |
| 1966 | 2 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 19 |
| 1971 | 130 |
| 1972 | 186 |
| 1973 | 200 |
| 1974 | 186 |
| 1975 | 182 |
| 1976 | 138 |
| 1977 | 161 |
| 1978 | 245 |
| 1979 | 297 |
| 1980 | 373 |
| 1981 | 363 |
| 1982 | 409 |
| 1983 | 398 |
| 1984 | 424 |
| 1985 | 439 |
| 1986 | 506 |
| 1987 | 528 |
| 1988 | 795 |
| 1989 | 1028 |
| 1990 | 1135 |
| 1991 | 1236 |
| 1992 | 1247 |
| 1993 | 1546 |
| 1994 | 1757 |
| 1995 | 1843 |
| 1996 | 1881 |
| 1997 | 1979 |
| 1998 | 2021 |
| 1999 | 2320 |
| 2000 | 2281 |
| 2001 | 2435 |
| 2002 | 2696 |
| 2003 | 3017 |
| 2004 | 3246 |
| 2005 | 3646 |
| 2006 | 4214 |
| 2007 | 5097 |
| 2008 | 5862 |
| 2009 | 5667 |
| 2010 | 5995 |
| 2011 | 6546 |
| 2012 | 7148 |
| 2013 | 7488 |
| 2014 | 7608 |
| 2015 | 8082 |
| 2016 | 8100 |
| 2017 | 8373 |
| 2018 | 8648 |
| 2019 | 9137 |
| 2020 | 9441 |
| 2021 | 8981 |
| 2022 | 7724 |
| 2023 | 6460 |
| 2024 | 2436 |